Filtering SqlDataSource To Show All Vs. Non-null Records
Aug 29, 2006
Hi -- I'm starting an ASP.NET 2.0 application which contains a page with a checkbox and gridview control on it. In its default state the gridview displays all the records from a table pulled from a SQL Server database (via a SqlDataSource object). When the user checks the checkbox, I want the gridview to display only the records where one of the columns is not null. But I've been unable to construct the WHERE clause of the SQLDataSource object correctly. I see that I can hard-code the SqlDataSource object so that the column to be filtered is always NULL or always NOT NULL. But I want this filtering to be more dynamic such that the decision to show all or non-null records happens at run-time. Should I be using two SqlDataSource objects -- one for the NOT NULL condition and one for the "all records" condition? Then when the user checks the checkbox, the gridview would be configured to point to the appropriate SqlDataSource object. (???) Seems like a bit of overhead with that approach. I'm hoping there's a more elegant way to get this done. Please let me know if you need more information. Thanks in advance.
Bill
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Aug 3, 2006
Hi All,
I have following:
a text input for filtering
a gridview that displays the data
an SqlDataSource that contains the query.
Users can either enter something into the text input or leave it blank. Depending on that, the gridview should either display all data (unfiltered, because nothing was entered into the text field) or filtered data (when something is entered).
Now my problem is in defining the query in the SqlDataSource. I could do something like this:
SELECT * FROM myTable WHERE myField = @p1;
and then add in the appropriate <asp:ControlParameter /> under the <SelectParameters> tag. However, this sorta "fixes" the filter. Regardless of whether users actually type something in or not, the filter is in effect. I want it in such a way that if users do not type in anything, the query essentially becomes:
SELECT * FROM myTable;
Is there any way to achieve this?
Thanks in advance,
jason
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Mar 27, 2006
I think I might be missing something here.
Here is what I'd like to do:1. Retrieve a list of data from SQL Server.2. Display that data in a gridview.3. Have the user click on a button to then see a subset of that data. (filtering)
I can't seem to make this work. When the user clicks the button, I need the GridView to update to show only the specified data. In 1.1 I would created a DataView for the filtering, but am trying to use the latest and greatest.
I've seen examples online of people using DropDownLists to act as the dynamic filter parameter. How can I programatically assign this to make it work?Thanks!
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Oct 12, 2006
i HAVE TRIED THE FOLLOWING CODE BUT ITS NOT WORKING AS I WANT TO FILTER IT ACCORDING TO THE VALUE OF DROPDOWNLIST I HAVE TRIED CONFIGURE THE SQLDATASOURCE. DATASOURCE MODE PROPERTY IS SET TO THE DATASERSTILL IT IS NOT SHOWING ANY RESULTS <%@ Page Language="VB" %> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" ><head runat="server"> <title>Untitled Page</title></head><body> <form id="form1" runat="server"> <div> <h3>Search Jobs</h3> <table cellspacing="10"> <tr> <td valign="top" style="height: 162px"> <table border="0"> <tr> <td valign="top" style="width: 70px"> Location</td> <td><asp:DropDownList runat="server" id="CountryListBox" AppendDataBoundItems="True" DataSourceID="CountrySqlDataSource" DataTextField="location" DataValueField="location" AutoPostBack="True" > <asp:ListItem Selected="True" >(Show All)</asp:ListItem> </asp:DropDownList> </td> </tr> <tr> <td style="width: 70px"> Skills</td> <td><asp:TextBox runat="server" id="LastNameTextBox" Text="*" /></td> </tr> <tr> <td style="width: 70px"></td> <td><asp:Button runat="server" id="FilterButton" Text="Filter Results" /></td> </tr> </table> </td> <td valign="top" style="width: 587px; height: 162px;"> <asp:GridView ID="EmployeesGridView" DataSourceID="SqlDataSource2" DataKeyNames="employeeID" AutoGenerateColumns="False" AllowSort="True" RunAt="server" Height="143px"> <HeaderStyle backcolor="Navy" forecolor="White"/> <RowStyle backcolor="White"/> <AlternatingRowStyle backcolor="LightGray"/> <EditRowStyle backcolor="LightCyan"/> <Columns> <asp:BoundField DataField="employeeID" HeaderText="employeeID" ReadOnly="True" SortExpression="employeeID" /> <asp:BoundField DataField="employeeName" HeaderText="employeeName" SortExpression="employeeName" /> <asp:BoundField DataField="companyName" HeaderText="companyName" SortExpression="companyName" /> <asp:BoundField DataField="jobSkills" HeaderText="jobSkills" SortExpression="jobSkills" /> <asp:BoundField DataField="experiance" HeaderText="experiance" SortExpression="experiance" /> <asp:BoundField DataField="location" HeaderText="location" SortExpression="location" /> </Columns> </asp:GridView> </td> </tr> </table> <asp:SqlDataSource ID="CountrySqlDataSource" SelectCommand="SELECT DISTINCT location FROM tlbEmployee" EnableCaching="True" CacheDuration="60" ConnectionString="<%$ ConnectionStrings:ConnectionString %>" RunAt="server" /> <asp:SqlDataSource ID="EmployeeDetailsSqlDataSource" SelectCommand="SELECT * FROM [tlbEmployee] WHERE (([location] LIKE '%' + @location + '%') AND ([jobSkills] LIKE '%' + @jobSkills + '%'))" EnableCaching="True" CacheDuration="60" ConnectionString="<%$ ConnectionStrings:ConnectionString %>" FilterExpression="location LIKE '{0}' AND jobSkills LIKE '{1}'" RunAt="server"> <FilterParameters> <asp:ControlParameter ControlID="CountryListBox" PropertyName="SelectedValue" /> <asp:ControlParameter ControlID="LastNameTextBox" PropertyName="Text" /> </FilterParameters> <SelectParameters> <asp:ControlParameter ControlID="CountryListBox" Name="location" PropertyName="SelectedValue" Type="String" /> <asp:ControlParameter ControlID="LastNameTextBox" Name="jobSkills" PropertyName="Text" Type="String" /> </SelectParameters> </asp:SqlDataSource> <asp:SqlDataSource ID="SqlDataSource1" runat="server" ConnectionString="<%$ ConnectionStrings:ConnectionString %>" SelectCommand="SELECT DISTINCT location FROM tlbEmployee"></asp:SqlDataSource> </div> <asp:SqlDataSource ID="SqlDataSource2" runat="server"></asp:SqlDataSource> </form></body></html>
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Jan 19, 2006
Hello,
I have a sqldatasource and a textcontrol on a webform, i assign programmatically the text of the textcontrol to the filterexpression.
If the filterexpression is incorrect the page hang, how can i handle this event
Thanks
JPR
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Apr 26, 2006
Requirements:
1) Cannot have results in which both m.homephone & d.homephone are both null, or both m.workphone & d.workphone are both null in the result set
2) We also do not want to see any combos where one homephone is null and the other has only the char 0....same for workphone...no null & 0 combinations.
e.g.
m.homephone d.homephone
null 0
0 null
The phone fields are varchar
I know this is hidiously wrong but is my first sloppy attempt at best:
select m.number, m.homephone as master_homephone, d.homephone as debtor_homephone, m.workphone as master_workphone, d.workphone as debtor_workphone
FROM master m
INNER JOIN debtors d ON d.Number = m.number
where (d.homephone <> m.homephone OR d.workphone <> m.workphone)
AND (d.homephone IS NOT NULL AND m.homephone IS NOT NULL)
AND (d.workphone IS NOT NULL AND m.workphone IS NOT NULL)
AND NOT ((d.homephone IS NULL AND m.homephone = '0') OR (d.homephone = '0' AND m.homephone IS NULL))
AND NOT ((d.workphone IS NULL AND m.workphone = '0') OR (d.workphone = '0' AND m.workphone IS NULL))
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Mar 18, 2008
I am facing some problems in displaying data in a chart on a report. Let me give you a background on the report
The report has 8 parameters, Industry,CType,PType, S#, ECode, Start Date, End Date and Trend.
The layout of the report has a table and a chart.
Both the table and the chart need to display Normalized Value ( count of ECode / count of PType that are closed in the date range selected) and the Trend ( where the trend can be Weekly, Monthly, Yearly or Quarterly).
Both the chart and the table should display the data for the entire date range i.e if the Trend is Month and the Date Range is Jan 2007 Jan 2008, then the table and the chart should display months from Jan 2007, Feb 2007 .... Jan 2008 irrespective of whether or not there are error codes present for that month.
In order to satisfy the point 4 mentioned above, we have created the main dataset in such a way that it would have one row for each day between Jan 2007 to Jan 2008. Any fields that do not have data corresponding to a date will come up as NULL in the dataset.
Now, we need to display a chart in the report which would be a Trend v/s the Normalized Value chart for each ECode. So, we have put in the Normalized value in the 'Value' field of the chart, Trend group in the 'Category' field of the chart and ECode in the 'Series' group of the chart. The chart displays fine except for one extra series for the NULL values in the Error Code ( the one in green below). Is there any way in which we can do away with this NULL series without changing the dataset? I tried using filters for the 'Series' but it doesn't work ( used filters like <>NULL, <> "" , <>Nothing, cstr(ECode) <> NULL/"" etc ).
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Mar 18, 2008
I have a gridview connected to a sqldatasource, and it works pretty good. It gives me the subsets of the information that I need. But, I really want to let them choose all the companies and/or any status. What's the best way to get all the values in the gridview...besides removing the filters :)
I thought the company would be easy, I'd just set the selected value to blank "", and then it'd get them all....but that's not working. And, for the boolean, I have no idea to get the value without having a separate query.
(tabs_done=@tabsdone) and (company like '%' + @company + '%')1 <asp:DropDownList ID="drpdwnProcessingStatus" runat="server">
2 <asp:ListItem Value="0">Open</asp:ListItem>
3 <asp:ListItem Value="1">Completed</asp:ListItem>
4 </asp:DropDownList>
5
6
7 <asp:DropDownList ID="drpdwnCompany" runat="server">
8 <asp:ListItem Value="">All</asp:ListItem>
9 <asp:ListItem Value="cur">Cur District</asp:ListItem>
10 <asp:ListItem Value="jho">Jho District</asp:ListItem>
11 <asp:ListItem Value="sea">Sea District</asp:ListItem>
12 <asp:ListItem Value="san">Net District</asp:ListItem>
13 <asp:ListItem Value="sr">Research District</asp:ListItem>
14 </asp:DropDownList>
15
16
17 <asp:SqlDataSource ID="SqlDataSource1" runat="server" ConnectionString="<%$ ConnectionStrings:HRFormsConnectionString %>"
18 SelectCommand="SELECT DISTINCT [id], [lastname], [company] FROM [hr_term] hr where (tabs_done=@tabsdone) and (company like '%' + @company + '%')">
19 <SelectParameters>
20 <asp:ControlParameter ControlID="drpdwnProcessingStatus" DefaultValue="0" Name="tabsdone" PropertyName="SelectedValue" />
21 <asp:ControlParameter ControlID="drpdwnCompany" DefaultValue="" Name="company" PropertyName="SelectedValue" />
22 </SelectParameters>
23 </asp:SqlDataSource>
24
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May 15, 2008
I have gridview and i want to ignor that filtering if that parameter is empty how do i write that query.
my query is
select * from UserMAster where UserId=@USerID and RoleId=@RoleId
if @UserId is blank then i want to select all records without filtering with user Id a
nd if i have passed null or anything as parameter in roleId then alsoi want all the records if it contain value then i want to do filetring is it possible to with query. or else send me some alternative so that i don't need to execute more query.
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Jan 29, 2008
Hi,
How do I filter out Null values in a matrix table
one off my columns is picking up the Null values and I would like to filter this out.
Is there a simple way of doing this as filtering it out at the Dataset level is not the ideal solution for me.
thanks
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Jul 3, 2001
hi,
I am trying to fetch data from 2 tables, say TABLE1 and TABLE2, both of which got columns like id and num. Then i want all the rows from TABLE1 where id1=id2 and num1 != num2.
but it is showing all the rows for an id1 twice, if there are two records in TABLE2 with same id and num.
is there any way to filter those records without using the distinct keyword.
regards
Rajeev.
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May 19, 2008
Hi,I have two SQLDataSources called "LeagueTableHome" an "LeagueTableAway" on my page.
I want to create another SQLDataSource called "LeagueTableTotal" on my page which adds up all the totals from each of the other two sources.
The datasource looks like this:
Team, Pld, W, D, L, F, A, Agg, Pts
my code for LeagueTableHome looks like this:
SELECT HomeTeam, 1 AS Pld, CASE WHEN HomeScore > AwayScore THEN 1 ELSE 0 END AS Won, CASE WHEN HomeScore = AwayScore THEN 1 ELSE 0 END AS Draw, CASE WHEN HomeScore < AwayScore THEN 1 ELSE 0 END AS Lost, HomeScore AS Scored, AwayScore AS Against, HomeScore - AwayScore AS Agg, CASE WHEN HomeScore > AwayScore THEN 3 ELSE 0 END AS Pts FROM tblFixtures WHERE (CompID = 1) AND (HomeScore IS NOT NULL)
I want then to show LeagueTableTotal in a GridView.
Can anybody help?
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Feb 7, 2007
In my report I want an optional parameter to filter all records with a specific field that is not blank. I tried several scenario's without result...
In the parameter I want to set a text value like "exampletext".
In the filter I want a check: if the parameter value is "exampletext", only show the records where field "abc" is not blank.
On the tab Filters from the Table properties I can set three values: Expression, Operator and Value.
Please help!
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Apr 22, 2008
Hi All,
Can anybody tell me which of the following is the most efficient query if i have huge tables.
SELECT *FROM Tab1 Inner join Tab2 ON Tab1.Col1 = Tabl2.Col1 AND Tab1.Col1 = 5
OR
SELECT *FROM Tab1 Inner join Tab2 ON Tab1.Col1 = Tabl2.Col1WHERE Tab1.Col1 = 5
As long as i explored this, Sql Server Query Execution Plan shows the similar cost for both cases. Is there any difference?
If yes why?
Thanks in advance.
Regards,
Sulaman Riaz
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Mar 11, 2008
I have created a stored procedure in sql server 2005 which will fetch a particular record based on the value we supply for a column. It is working fine. The same task i need to implement in my web form. I have a textbox in my webform where i will enter the empage which is in the table. Based on the value the record(s) should get displayed in the gridview. How to acheive this. Pls help me with full coding. it is urgent.
Thanx is advance
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Feb 12, 2008
I am using sqldatasource to make a connection to my access database. I have a table with a field called "last_activity" (Date/Time datatype).I want to make a query which shows users/players (the rows in the table) that have been active the last 14 days, so I have to use "last activity" as parameter.But how do I code this? <asp:SqlDataSource runat="server" id="race_a_car_Source" ProviderName="<%$ ConnectionStrings:speedracerConnectionString1.ProviderName %>" ConnectionString="<%$ ConnectionStrings:speedracerConnectionString1 %>" SelectCommand="SELECT * FROM [race_a_car] WHERE ([last_activity] >= ?)"> <SelectParameters> <asp:parameter DefaultValue=" what should I write here? " Name="last_activity" Type="DateTime" /> </SelectParameters> </asp:SqlDataSource>
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Jun 23, 2014
I have the following table records structure:
Code:
drop table ##t1
create table ##t1(col1 int, col2 int, col3 int, col4 int)
insert into ##t1(col1 , col2, col3, col4)
values (1,2,3,4),
(5,6,7,8)
[Code] .....
I can't figure out how to put all nulls at the bottom and have all of my records on the top.
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Apr 22, 2008
Hi All,
I want to show 0, if the field contains NULL values.
I use the following expression.
=IIf(Fields!MTD_TotGrossBKCOAmt.Value = "NULL" , SUM(Fields!MTD_TotGrossBKCOAmt.Value), 0 )
But this works if the field contains only NULL values.
If it has a value, then it shows as #Error
Can anyone tell me how to make this work?
Thanks
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Mar 18, 2008
I have a stored procedure where I gather some data and then insert the data into a table variable. I then attempt to go through each row of the table variable, asign the values to local variables to be inserted into other tables. However, the local variables show as NULL.BEGIN
DECLARE @tblcontact table
(
SOKey int,
Cntctkey varchar(60),
Cntctownerkey int,
LASTNAME varchar(32),
FIRSTNAME varchar(32),
WORKPHONE varchar(32),
EMAIL varchar(128),
processed int DEFAULT 0
)
INSERT INTO @tblcontact (SOKey, Cntctkey, Cntctownerkey, LASTNAME, FIRSTNAME, WORKPHONE, EMAIL)
SELECT ...
DECLARE @ID int,
@sokey int,
@cntctkey int,
@cntctownerkey int,
@name varchar(65),
@email varchar(128),
@phone varchar(32)
WHILE EXISTS (SELECT * FROM @tblcontact WHERE processed = 0)
BEGIN
SELECT @ID = MIN(SOKey) FROM @tblcontact WHERE processed = 0
SELECT @cntctkey = (CAST(LTRIM(REPLACE(Cntctkey,'CN',' '))AS int)),@cntctownerkey = Cntctownerkey, @name = FIRSTNAME + ' ' + LASTNAME, @phone = WORKPHONE, @email = EMAIL, @sokey = SOKey
FROM @tblcontact
WHERE @ID = SOKey AND @cntctkey <> '43778'
INSERT INTO tciContact (Cntctkey, Cntctownerkey, CreateType, EMailAddr, EmailFormat, EntityType, ExtUser, Name, Phone, UpdateCounter)
VALUES (@cntctkey, @cntctownerkey, '0', @email, '3', '401', '0', @name, @phone, '0')
UPDATE tsoSalesOrder
SET Cntctkey = @cntctkey, UserFld4 = 'temp'
WHERE SOKey = @sokey
UPDATE @tblcontact
SET processed = 1 WHERE @ID = SOKey
END
END
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Sep 21, 2007
I have a subquery that grabs all the sales reps with less then 6 visits. Only problem is, when i have a date when there are any number of sales reps that dont make visits, so the column would be null, they dont show up. I want to display these, because this report is supposed to show the visits made, so if they made none, i want it to show zero, instead of not showing the whole date column, since zero visits were made on that date that were below 6 and more then zero. Here's my stored procedure: (the subquery is highlighted)
Code Snippet
ALTER PROCEDURE [dbo].[Testing_Visits_6]
(@Region_Key int=null)
AS
BEGIN
SELECT dbo.Qry_Visits.Status,
dbo.Qry_Visits.Customer_code,
Qry_Sales_Group.Name,
dbo.Qry_Sales_Group.SR_Name,
dbo.Qry_Date_Dim.Date_Dimension_Fiscal_Week,
dbo.Qry_Date_Dim.Date_Dimension_Date,
dbo.Qry_Date_Dim.Day_Of_Month,
dbo.Qry_Sales_Group.Region,
dbo.Qry_Visits.period_code,
dbo.Qry_Visits.cycle_day, dbo.Qry_Visits.Visits,
dbo.Qry_Visits.time_log, dbo.Qry_Visits.Mailing_Name,
dbo.Qry_Date_Dim.Date_Dimension_Year,
dbo.Qry_Date_Dim.Date_Dimension_Period,
CONVERT(varchar, dbo.Qry_Visits.time_log, 110) AS Date,
dbo.Qry_Sales_Group.Region_Key, dbo.Qry_Visits.[SR Code],
B.VisitsTotal
FROM dbo.Qry_Visits
INNER JOIN dbo.Qry_Sales_Group
ON dbo.Qry_Visits.[SR Code]
COLLATE SQL_Latin1_General_CP1_CI_AS = dbo.Qry_Sales_Group.SalesPerson_Purchaser_Code
AND dbo.Qry_Visits.[SR Code] = dbo.Qry_Sales_Group.SalesPerson_Purchaser_Code
COLLATE Latin1_General_CI_AS
INNER JOIN dbo.Qry_Date_Dim
ON CONVERT(varchar, dbo.Qry_Date_Dim.Date_Dimension_Date, 110) = CONVERT(varchar, dbo.Qry_Visits.time_log, 110)
INNER JOIN ( Select COUNT(Visits)as VisitsTotal,[Sales Responsible],CONVERT(VARCHAR,(Qry_Visits.time_log),110)TheDate,Qry_Visits.Status
FROM dbo.Qry_Visits
WHERE Qry_Visits.Status=2
GROUP by [Sales Responsible] , CONVERT(VARCHAR,(Qry_Visits.time_log),110),Qry_Visits.Status
HAVING SUM(Visits) < 6)B
ON dbo.Qry_Sales_Group.SR_Name COLLATE Latin1_General_CI_AS = B.[Sales Responsible] COLLATE Latin1_General_CI_AS AND
CONVERT(varchar, dbo.Qry_Date_Dim.Date_Dimension_Date, 110) = B.TheDate
WHERE REGION_KEY=@Region_Key and Qry_Visits.Status=2
ORDER BY dbo.Qry_Sales_Group.SR_Name, CONVERT(varchar, dbo.Qry_Date_Dim.Date_Dimension_Date, 110)
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Dec 20, 2006
I have a sproce that accepts null for one of its parameters I can execute the sproce and enter null and it works fine, it returns all rows. When I try doing this with my GridView and the SQLDataSource it does not work. I need some help in understanding how the SQLDatasource wants a null. Here is what the parameter row of the SQLDataSource looks like.
<asp:ControlParameter ControlID="EnteredByText" DefaultValue="Null" Name="EnteredBy" PropertyName="Text"
Type="String" ConvertEmptyStringToNull="true" />
In my sproce I have setup the parameter as follows;
@EnteredBy Nvarchar(50)=Null
In my WHERE Clause I have:
WHERE (tblClient.EnteredBy = @EnteredBy OR @EnteredBy IS NULL)
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Apr 12, 2008
hi
i am trying to get the output of the select statements of sqldatasource :
protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack) { DataView dv; dv = (DataView)(this.SqlDataSourcePictures.Select(DataSourceSelectArguments.Empty)); }
}
the problem is that dv returns null ?
and here is the sqldatasource definition in .aspx page
<asp:SqlDataSource ID="SqlDataSourcePictures" runat="server" ConnectionString="<%$ ConnectionString:con1%>"
SelectCommand="SELECT URL FROM SchoolPictures WHERE (School_Code = @School_Code) AND (SchoolPictureCategory = @SchoolPictureCategory)" OnSelecting="SqlDataSourcePictures_Selecting" OnSelected="SqlDataSourcePictures_Selected">
<SelectParameters>
<asp:QueryStringParameter Name="School_Code" QueryStringField="bid" Type="Int16" />
<asp:ControlParameter ControlID="ddlCat" Name="SchoolPictureCategory" PropertyName="SelectedValue"
Type="Int16" />
</SelectParameters>
</asp:SqlDataSource>
thanks for help
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Apr 5, 2007
Hi ,
I've got two tables.. the first table carried a ProductID, and amongst other things a TradePrice
The other tbl carries a ProductID, a IndivPrice and a CustomerID
The second tbl lists prices for products for indiv Customers.
My Query needs to bring back ALL the products from the first tbl...
It also needs to show the TradePrice for that product.
I need to join my query to the second tbl...
And finally, if the second tbl has a price for that product AND the customerID is the same as one I pass into the query.. show that price also..
So here's my first query:
SELECT dbo.Products.ProductID, ProductName, ProductTradePrice, IndivPrice, dbo.Trade_PriceLists.CustomerID AS PLCustomerID FROM dbo.Products LEFT OUTER JOIN dbo.Trade_PriceLists ON dbo.Products.ProductID = dbo.Trade_PriceLists.ProductID WHERE (ProductType = 'Trade' OR ProductType = 'Both') AND (Replace(Lower(ProductBrand),' ','') = 'brandname') AND (CustomerID IS NULL OR CustomerID = 'teste' OR CustomerID = '') ORDER BY TradeOrder
I thought that would work, but what happens is that, if that particular customer has no indiv prices set.. then it only shows the ones that have no records at all in that second tbl..
So unless there is a record for a particular product in that second tbl and it doesn't have a CustomerID assigned to (which would never happen as that tbl is only every for indiv customer prices) then it doesn't show.
Examples:
First Tbl
ProductID Name TradePrice
1 Jumper £1.00
2 Jeans £3.00
3 Shoes £5.00
4 Hat £2.00
Second Tbl
ProductID CustomerID IndivPrice
1 teste £0.50
2 othercustomer £2.50
3 teste £4.50
What I want in the results is:
ProductID ProductName TradePrice IndivPrice CustomerID (PLCustomerID)
1 Jumper £1.00 £0.50 teste
2 Jeans £3.00
3 Shoes £5.00 £4.50 teste
4 Hat £2.00
See? - The 2nd product should not get an indiv price as although it's in that second tbl, the customerID assigned to it is different. The 4th product should not get an indiv price as it's not in that second tbl at all.
however, with my query above I'd only get Products 1and 3... and if I did a query on a customer with no indiv prices I'd only get product 4 as it's not in the indiv at all...
HELP!!!!!
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Aug 23, 2007
I am using a SQLDataSource with Stored Procedures. The Select, Insert and Update all work well. However I cannot get the delete to work. My stored procedures are tested and verified and the parameter names are the same as the source columns. When I try to run the delete an error that the stored procedure expects the parameter @locationStationId, however this value passes properly for the Update command?!? I tried to change the parameter to original_locationStationID to pass the original value, however this result in Null being passed for the parameter.
I cannot understand why this works for Update and passes the location ID, but will not work for DELETE. Can anyone shed any light onto the matter?
Thanks.OldValuesParameterFormatString="original_{0}" UpdateCommand="spUpdateLocation" UpdateCommandType="StoredProcedure"
DeleteCommand="spDeleteLocation" DeleteCommandType="StoredProcedure">
<DeleteParameters>
<asp:Parameter Name="locationStationId" Type="String" />
</DeleteParameters>
<InsertParameters>
<asp:Parameter Name="locationStationId" Type="String" />
<asp:Parameter Name="locationType" Type="String" />
<asp:Parameter Name="locationName" />
<asp:Parameter Name="division" Type="String" />
</InsertParameters>
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Feb 17, 2006
How to pass a null to SelectParameters in SqlDataSource?
The type of "CreateDate" is DateTime, the following code can be run correctly!
SqlDataSource1.SelectParameters["CreateDate"].ConvertEmptyStringToNull = true;SqlDataSource1.SelectParameters["CreateDate"].DefaultValue = "2006-11-12";
now I hope to pass null value to the Parameter "CreateDate", but the following 3 section codes don't work!
SqlDataSource1.SelectParameters["CreateDate"].ConvertEmptyStringToNull = true;SqlDataSource1.SelectParameters["CreateDate"].DefaultValue = string.Empty;
or
SqlDataSource1.SelectParameters["CreateDate"].ConvertEmptyStringToNull = true;SqlDataSource1.SelectParameters["CreateDate"].DefaultValue =null;
or
SqlDataSource1.SelectParameters["CreateDate"].ConvertEmptyStringToNull = true;SqlDataSource1.SelectParameters["CreateDate"].DefaultValue = "";
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Jan 1, 2008
Hi:I have written a SQL statement that accepts a letter and then prints out all the records in a table starting with that letter. I was wondering if there is a way that I could change the query so that if prints out all records if a blank or empty value is passed in?Here's my query: ALTER PROCEDURE [dbo].[GetMediaListByFirstLetter] ( @firstLetter char(1))AS SELECT Media_ID, OrgName FROM Media WHERE UPPER(SUBSTRING(Media.OrgName,1,1)) = @firstLetterAny help doing this would be greatly appreciated.Roger
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May 2, 2008
I am having problem with Inner joining of tables
my query is..
Select j.jobSubject,e.eOrganization ,jv.JobClick,j.jobID from dbo.tbl_Jobs jinner join dbo.tbl_Employer e on e.mId=j.jobCreatedByIDinner join dbo.tbl_JobView jv on jv.JobID=j.jobID
order by jv.JobClick desc This query returns 1 to many records
But I need the query should return 0 to many record . .yes I have already know inner join does not handle my problem so plz suggest me which type of join would solve my problem
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Aug 5, 2013
I have three tables Accounts, History and Dates . What I need to do is display all the accounts from History (900) records and compare them to the accounts in Accounts table pull all the matching records based on a certain date range , but If there is no record in the History table for this period I still need to display the account from Accounts and some text saying that there is no record matching for this period.
Account History
11
22
33
4NO information for this month
55
SELECT C.ACCOUNT, CASE WHEN C.ACCOUNT = LEFT(H.NUMBER,8)
THEN LEFT(H.NUMBER,8) END FROM ACCTS C
LEFT OUTER JOIN HISTORY H ON C.ACCOUNT = LEFT(H.NUMBER,8)
INNER JOIN DATES D ON h.PERIOD = D.CUR_PERIOD
GROUP BY C.ACCOUNT, H.NUMBER
This will give me all the matching records for the period but I need somehow to show all the accounts even if they don't have records for this period.
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Aug 13, 2015
I have a table with 5 columns, let say ID,PersionID, Date, Type,Qty and source data looks like this
ID  PersonID   Date           Type      Qty Â
1     1       01/01/2011      Accept     5         Â
2     1       01/01/2011      Accept     5 Â
3     2       02/01/2010      Accept     10            Â
4     2       02/01/2010      Deny       20 Â
5     3       02/01/2012      Accept     15
[Code] .....
Output should look like this..look for only Type=Accept until deny is reached. After Deny,if there is a Accept ignore it.
ID PersonID   Date           Type        Qty
1   1       01/01/2011      Accept       5     (show only one Accept row=1 becoz Type is Accept and date is same,Qtyis
same)
3   2       02/01/2010      Accept       10    (show Accept row=3,ignore deny row)
5   3       02/01/2012      Accept       15    (show Accept row=5)
6   4       05/05/2012      Accept       25    (show Accept rows=6,7 and ignore Deny & Accept rows = 8,9)
7   4       07/08/2012      Accept       20
       Â
11  6       01/01/2011      Accept       5     (show Accept rows=11,12 because Qty is different) Â
12  6       01/01/2011      Accept       15
Create Sample Table (ID int null, PersonID Int null, Date Datetime null , Type varchar(10) null, Qty int null)
Insert into sample values (1 ,1,'01/01/2011','Accept',5),
(2,1,'01/01/2011','Accept',5), Â
(3,2,'02/01/2010','Accept',10),            Â
(4,2,'02/01/2010','Deny',20), Â
(5,3,'02/01/2012','Accept',15), Â
(6,4,'05/05/2012','Accept',25), Â
(7,4,'07/08/2012','Accept',20),Â
(8,4,'07/08/2012','Deny',5),
(9,4,'09/23/2012','Accept',23),
(10,5,'09/08/2012','Deny',12),
(11,6,'01/01/2011','Accept',5),         Â
(12,6,'01/01/2011','Accept',15)
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Feb 15, 2007
I have two tables, Employee and Calls. They are joined on an Employee field. In my where clause I have a value specified that only returns specific calls. What I would like to have happen is to have the query return all Employee records regardless if any records from the Calls table is present for that employee. I want something that looks like this:Employee # of Calls
Employee A 5
Employee B 0
Employee C 10
When I apply a WHERE clause to the Calls table I get this:Employee # of Calls
Employee A 5
Employee C 10
I tried a LEFT OUTER JOIN without success. Any suggestions?
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Sep 23, 2007
I'm developing a web app using VS2005. I have a webpage with panel containing a gridview populated by a SQLdatasource. The SQLdatasource in turn is populated by a stored procedure that can take up to 5 parameters. The user types in up to 5 separate words (searchterms) in a text box which are then parsed and passed to the stored proc in the datasource which performs a fulltext search. The gridview then becomes visible. My problem is that unless the user types in 5 searchterms (no less), the gridview returns zero rows. 5 searchterms returns the proper results. Somehow, I need to be able to pass in null or empty values for unneeded parameters.
I've tested the stored procedure in Query Analyzer and from within the SQLdatasource configuration (using Test Query) using 0 up to 5 parameters and it works fine, so that's not my problem. Here's the code that runs after the user types in their search term(s) and presses a button:Public Sub FTSearch_Command(ByVal sender As Object, ByVal e As CommandEventArgs) Handles btnFullText.Command
Dim x As Integer
pnlFullText.Visible = Falsefiltertext = Replace(txtSearchTxt.Text, "'", "''")
If Not filtertext Is Nothing Then
filtertext = filtertext.Trim
Else
Return
End IfDim arrayString() As String = filtertext.Split(" ")
Dim length As Integer = arrayString.LengthFor x = 0 To (length - 1)
If Not arrayString(x) Is Nothing ThenSelect Case x
Case 0 : lblFTParm1.Text = arrayString(0)Case 1 : lblFTParm2.Text = arrayString(1)
Case 2 : lblFTParm3.Text = arrayString(2)Case 3 : lblFTParm4.Text = arrayString(3)
Case 4 : lblFTParm5.Text = arrayString(4)
End Select
End If
Next
pnlFullText.Visible = "True"
End Sub
Any ideas?
Thanks in advance.
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Mar 20, 2008
I am attempting to create search parameters for a gridview control and I am experiencing a small issue. When I get to a date parameter I am unable to display null values.
I setup a sqldatasource and created the parameters below to handle the selections for minimum date required and the maximum date required for the date columns in the database. The problem is I do not know how to display null dates.
Is there a way to incorporate something into the search page to show null dataes?
Sql Where Clause 1 WHERE (LSS_Requests.TypeCode = @TypeCode) AND (LSS_Requests.PersonNo LIKE '%' + @PersonNo + '%') AND
2 (LSS_Requests.TicketNo LIKE '%' + @TicketNo + '%') AND (LSS_Requests.Name LIKE '%' + @Name + '%') AND
3 (LSS_Requests.RequestName LIKE '%' + @RequestName + '%') AND (LSS_Requests.RequiredDate >= @Fromrequireddate) AND
4 (LSS_Requests.RequiredDate <= @ToRequiredDate) AND (LSS_Requests.OriginationDate >= @SearchFromOriginationDate) AND
5 (LSS_Requests.OriginationDate <= @SearchToOriginationDate) AND (LSS_Requests.LastUpdated >= @SearchFromUpdatedDate) AND
6 (LSS_Requests.LastUpdated <= @SearchUpdatedToDate) AND (LSS_Users_1.userFullName LIKE @SearchDDLUsers) AND
7 (LSS_Users.userFullName LIKE @SearchddlCIAsignee) AND (LSS_Requests.TypeCode = 'CC') AND (LSS_lu_Status.stNm LIKE '%' + @StatusName + '%')
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Mar 28, 2008
The problem I'm having is described below all this code.---------------------------------------------------------My content page has a SqlDataSource: <asp:SqlDataSource ID="sqlGetUserInfo" runat="server"
ConnectionString="<%$ ConnectionStrings:RemoteNotes_DataConnectionString %>" SelectCommand="SELECT [UserFirstName], [UserLastName] FROM [Users] WHERE ([UserGUID] = @UserGUID)"
onselecting="sqlGetUserInfo_Selecting"> <SelectParameters> <asp:Parameter Name="UserGUID" Type="String" /> </SelectParameters> </asp:SqlDataSource> -----------------------------------------------------Inside my OnSelecting event, I have: protected void sqlGetUserInfo_Selecting(object sender, SqlDataSourceSelectingEventArgs e) { sqlGetUserInfo.SelectParameters["UserGUID"].DefaultValue = Membership.GetUser().ProviderUserKey.ToString(); } ---------------------------------------------------------------------And, inside my Page_Load, the relevant code is: //String strUserFirstName = ((DataView)sqlGetUserInfo.Select(DataSourceSelectArguments.Empty)).Table.Rows[0]["UserFirstName"].ToString();
DataView dvUserDetails = (DataView)sqlGetUserInfo.Select(DataSourceSelectArguments.Empty);
if ((dvUserDetails != null) && (dvUserDetails.Count > 0)) { DataRow drUserInfo = dvUserDetails.Table.Rows[0]; lblHelloMessage.Text = "Hello, " + drUserInfo["UserFirstName"].ToString() + ((drUserInfo["UserLastName"].ToString() == "") ? "" : " " + drUserInfo["UserLastName"].ToString()); } ---------------------Now, here's the problem. My "if" statement is never executing because "dvUserDetails" is null. However, when I break the execution and put awatch on the actual Select() statement, it shows a DataView with the correct return rows! You can see the commented line where I tried tobypass the DataView thing (just as a test), but I get an object reference is null error.The weird thing is that it was working fine one minute, then started getting "funky" (working, then not, then working, then not), and now it just doesn't work at all. All thiswithout me changing one bit of my code because I was checking out some UI flow and stopping and restarting the application. I've tracked downthe temporary files directory the localhost web server runs from, deleted all those files, and cleaned my solution. I've even triedrebooting, and nothing seems to make it work again.My relevant specs are VS2008 9.0.21022.8 RTM on Vista Enterprise x64.
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