The Database Is Not Updating Any Values, I There A Problem With My Code?
Oct 6, 2006
Im trying to update the values int the database and the query is executed correctly but database is not updated and the returned message is one, I really dont know whats causing this here is my code.1 private void UpdatetheDatabase(string connection)
2 {
3 SqlConnection connect = new SqlConnection(connection);
4 SqlCommand update_customer_details = new SqlCommand("UPDATE [app_CustomerDetails] " +
5 " SET [Name]=@Name,[City]=@City, " +
6 " WHERE [ID]=@ID", connect);
7 update_customer_details.Parameters.Add("@Name", SqlDbType.NVarChar, 50).Value = txtCustomerName.Text;
8 update_customer_details.Parameters.Add("@City", SqlDbType.NVarChar, 50).Value = txtCity.Text;
9 update_customer_details.Parameters.Add("@ID", SqlDbType.Int, 4).Value = ID;
10 connect.Open();
11 int x = update_customer_details.ExecuteNonQuery();
12 connect.Close();
13 StatusLabel.Text = x.ToString();
14 }
your help will be highly appreciated.
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Sep 19, 2006
Hi
My code that Im using is not updating the database, Im using the following stored procedure :-
set ANSI_NULLS ON
set QUOTED_IDENTIFIER ON
go
ALTER PROCEDURE [dbo].[Update_VMI_Capture]
(
@ID int,
@Weighbridge nvarchar(50),
@Volume float,
@DateTime datetime,
@Fuel_Type nvarchar(50)
)
AS
SET NOCOUNT OFF;
UPDATE VMI_Capture
SET Weighbridge = @Weighbridge, Volume = @Volume, DateTime=@DateTime, Fuel_Type=@Fuel_Type
WHERE ([ID] = @ID)
When Im running this procedure using SQL Server Management Studio it runs perfect.
The problem is when I use a little C# code to run this procedure like :-
int ID = Convert.ToInt32(Request.QueryString["ID"]);
SQLCONN get_con = new SQLCONN();
System.Data.SqlClient.SqlConnection connect = new System.Data.SqlClient.SqlConnection(get_con.RETSQLCONN());
System.Data.SqlClient.SqlCommand cmd_get_Data = new System.Data.SqlClient.SqlCommand("Update_VMI_Capture", connect);
cmd_get_Data.CommandType = System.Data.CommandType.StoredProcedure;
cmd_get_Data.Parameters.Add("@ID", System.Data.SqlDbType.Int).Value = ID;
cmd_get_Data.Parameters.Add("@Weighbridge", System.Data.SqlDbType.NVarChar, 50).Value = txtNumber.Text;
cmd_get_Data.Parameters.Add("@Volume", System.Data.SqlDbType.Float).Value = Convert.ToSingle(txtVolume.Text);
cmd_get_Data.Parameters.Add("@DateTime", System.Data.SqlDbType.DateTime).Value = Convert.ToDateTime(txtDate.Text);
cmd_get_Data.Parameters.Add("@Fuel_Type", System.Data.SqlDbType.NVarChar, 50).Value = txtFuel.Text;
connect.Open();
LabelStatus.Text = cmd_get_Data.ExecuteNonQuery().ToString();
connect.Close();
LabeStatus return 1, but when I check the table in the database there is no change and I dont understand why? am I doiing this wrong please help.
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Feb 18, 2008
I get a Must Declare Scalar Variable for CompanyName error. Please help. Thank you. datasource.ConnectionString = ConfigurationManager.ConnectionStrings("ConnString").ToString()
datasource.UpdateCommand = ("UPDATE Company SET [CompanyName] = @CompanyName), = @Email, [PhoneNumber] = @PhoneNumber, [WebsiteName] = @WebsiteName WHERE ([CompanyID] = " & Request.QueryString("CID"))datasource.UpdateParameters.Add("@CompanyName", txtName.Text)
datasource.UpdateParameters.Add("@Email", txtEmail.Text)datasource.UpdateParameters.Add("@PhoneNumber", txtPhoneNumber.Text)
datasource.UpdateParameters.Add("@WebsiteName", txtWebsite.Text)
datasource.Update()
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May 8, 2007
Hi,
I've got a gridview that displays some (but not all) columns from a sql database table. One of the columns that is NOT displayed is the table's primary key column. I'm putting together this row updating sub based on an article I found on the 'Net. Here's the code I've added for the GridView's edit routine (based on the article):Protected Sub gvPersonnelType_RowEditing(ByVal sender As Object, ByVal e As System.Web.UI.WebControls.GridViewEditEventArgs) Handles gvPersonnelType.RowEditing
gvPersonnelType.EditIndex = e.NewEditIndex
gvPersonnelTypeBindData()
End Sub
Protected Sub gvPersonnelType_RowCancellingEdit(ByVal sender As Object, ByVal e As GridViewCancelEditEventArgs)
gvPersonnelType.EditIndex = -1
gvPersonnelTypeBindData()
End Sub
Protected Sub gvPersonnelType_RowUpdating(ByVal sender As Object, ByVal e As GridViewUpdateEventArgs)
'Dim PersonnelTypeID As Integer'This is not displayed in the gridview, but is the primary key in the database
Dim LaborForceTypeID As Integer
Dim DefaultPayRate, DefaultPieceRate, Rebill As Decimal'These are money datatype in the database
Dim DefaultAdminCostPercent, MarkUp As Double 'These are float datatype in the database'Don't know if the following lines properly "capture" the values in the textboxes
LaborForceTypeID = Integer.Parse(gvPersonnelType.Rows(e.RowIndex).Cells(0).Text)
DefaultPayRate = CType(gvPersonnelType.Rows(e.RowIndex).Cells(1).Controls(0), TextBox).Text
DefaultPieceRate = CType(gvPersonnelType.Rows(e.RowIndex).Cells(2).Controls(0), TextBox).Text
DefaultAdminCostPercent = CType(gvPersonnelType.Rows(e.RowIndex).Cells(3).Controls(0), TextBox).Text
Rebill = CType(gvPersonnelType.Rows(e.RowIndex).Cells(4).Controls(0), TextBox).Text
MarkUp = CType(gvPersonnelType.Rows(e.RowIndex).Cells(5).Controls(0), TextBox).Text
Dim gvSqlConn = New SqlConnection("DATABASECONNECTION")
gvSqlConn.open()
Dim UpdatePersonnelTypeCmd As New SqlCommand("UPDATE rsrc_PersonnelType SET LaborForceTypeID = @LaborForceTypeID, " & _
"DefaultPayRate = @DefaultPayRate, DefaultPieceRate = @DefaultPieceRate, " & _
"DefaultAdminCostPercent = @DefaultAdminCostPercent, Rebill = @Rebill, Markup = @Markup", gvSqlConn)
'Sql doesn't know what row to update: NEED WHERE STATEMENT!!!
UpdatePersonnelTypeCmd.Parameters.Add(New SqlParameter("@LaborForceTypeID", LaborForceTypeID))
UpdatePersonnelTypeCmd.Parameters.Add(New SqlParameter("@DefaultPayRate", DefaultPayRate))
UpdatePersonnelTypeCmd.Parameters.Add(New SqlParameter("@DefaultPieceRate", DefaultPieceRate))
UpdatePersonnelTypeCmd.Parameters.Add(New SqlParameter("@DefaultAdminCostPercent", DefaultAdminCostPercent))
UpdatePersonnelTypeCmd.Parameters.Add(New SqlParameter("@Rebill", Rebill))
UpdatePersonnelTypeCmd.Parameters.Add(New SqlParameter("@Markup", MarkUp))
UpdatePersonnelTypeCmd.ExecuteNonQuery()
gvSqlConn.close()
gvPersonnelType.EditIndex = -1
gvPersonnelTypeBindData()
End Sub
As you can see, I've added some notes in the RowUpdating sub. I don't understand how to use the PersonnelTypeID (the database table's primary key) for the WHERE clause to update the correct row in the database.
As for the GridView itself, it's populated from the code-behind as well (as you can see from the call to "gvPersonnelTypeBindData()") and the SELECT statement used to populate the gridview doesn't use the PersonnelTypeID column either.
I'd appreciate it if someone could point me in the right direction to get this RowUpdating sub working.
Thanks!
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Mar 3, 2008
Hi,
I am trying to build a website in C# for a university project, and am having trouble updating a table from the code (at which I'm not too hot on writing). I can manage to get the SQL syntax to work in SQL Server 2005, but when I transfer it to the Visual Web Developer page it doesn't update. Would anyone be able to kindly point out where I am going wrong? My code (apologies for the amount) is;protected void CalculateEmissionsAndTotal()
{
//Create the ConnectionSqlConnection sqlConn =
new SqlConnection("server=Acer-Laptop\SQLEXPRESS; database=NeuCar; Trusted_Connection=true");
//Open the connection
sqlConn.Open();
//Create the Command, passing in the SQL statement and the ConnectionString queryString = "DECLARE @Today DATETIME SELECT @Today = Current_Timestamp Declare @TotalCharge int DECLARE @EmissionsUrban int DECLARE @EmissionsCountry int SELECT @TotalCharge = ((MemberPayment.MileageUrban * Vehicle.EmissionsPerGramUrban) * 0.05) + ((MemberPayment.MileageCountry * Vehicle.EmissionsPerGramUrban) * 0.05) FROM [NeuCar].[dbo].[MemberPayment] JOIN [NeuCar].[dbo].[Vehicle] ON MemberPayment.Registration = Vehicle.Registration JOIN [NeuCar].[dbo].[Member] ON Vehicle.UserName = Member.UserName WHERE (Member.UserName = @myUserName) AND (MemberPayment.PaymentDate >= DATEADD(dd,-(DAY(DATEADD(mm,-1,@Today))-1),DATEADD(mm,0,@Today))) SELECT @EmissionsUrban = ((MemberPayment.MileageUrban * Vehicle.EmissionsPerGramUrban) * 0.05) FROM [NeuCar].[dbo].[MemberPayment] JOIN [NeuCar].[dbo].[Vehicle] ON MemberPayment.Registration = Vehicle.Registration JOIN [NeuCar].[dbo].[Member] ON Vehicle.UserName = Member.UserName WHERE (Member.UserName = @myUserName) AND (MemberPayment.PaymentDate >= DATEADD(dd,-(DAY(DATEADD(mm,-1,@Today))-1),DATEADD(mm,0,@Today))) SELECT @EmissionsCountry = ((MemberPayment.MileageCountry * Vehicle.EmissionsPerGramCountry) * 0.05) FROM [NeuCar].[dbo].[MemberPayment] JOIN [NeuCar].[dbo].[Vehicle] ON MemberPayment.Registration = Vehicle.Registration JOIN [NeuCar].[dbo].[Member] ON Vehicle.UserName = Member.UserName WHERE (Member.UserName = @myUserName) AND (MemberPayment.PaymentDate >= DATEADD(dd,-(DAY(DATEADD(mm,-1,@Today))-1),DATEADD(mm,0,@Today))) UPDATE MemberPayment SET TotalCharge = @TotalCharge, EmissionsUrban = @EmissionsUrban, EmissionsCountry = @EmissionsCountry WHERE (Registration = @myRegistration); ";
SqlCommand cmd = new SqlCommand(queryString, sqlConn);cmd.Parameters.Add(new SqlParameter("@myUserName", Session["sUserName"]));
cmd.Parameters.Add(new SqlParameter("@myRegistration", Session["sRegistration"]));MileageLabel.Text = "*Update complete";
//Close the connection
sqlConn.Close();
}
I would be very grateful if anybody could help,
Kind regards,
Chima
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Feb 14, 2006
I have an SSE system/database with a WinForms (VB.NET) application front end... i am just wondering how I can update a stored procedure in the local SSE database from my application?
This is a real big issue for us and our automated deployment.
Any help would be great!!!!!!
ward0093
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Sep 15, 2006
C#, Webforms, VS 2005, SQL Hi all, quick hit question. I'm trying to update a table with an employee name and hire date. Session variable of empID, passed from a previous page (successfully) determines which row to plop the update into. It's not working even though i compiles and makes it all the way through the code to the txtReturned.Text = "I made it" debug line...Any thoughts? 1 string szInsSql;
2
3 string sConnectionString = "Data Source=dfssql;Database=MyDB;uid=myID;pwd=myPWD";
4 SqlConnection objConn = new SqlConnection(sConnectionString);
5
6 objConn.Open();
7
8 szInsSql = "UPDATE empEmployee SET " +
9 "Name = '" + this.txtName.Text + "', " +
10 "HireDate = '" + this.txtHireDate.Text + "', " +
11 "WHERE empID = '" + Session[empID] + "'";
12
13 SqlCommand objCmd1 = new SqlCommand(szInsSql, objConn);
14 objCmd1.ExecuteNonQuery();
15
16 txtReturned.Text = "I made it";
It's got to be a ' or a , out of place but I've looked at this code for a half hour straight, trying a variety of changes...and it still doesn't update the DB...Any help would be great. Thank you! -Corby-
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Mar 20, 2008
Why is this SQL UPDATE query not updating when this code is used under button.click.
Dim ListingID As String = Request.QueryString("id").ToString
Dim sqlupdate As String = "UPDATE Listings SET PlaceName = '" & PlaceName.Text & "', Location = '" & Location.SelectedValue & "', PropertyType = '" & PropertyType.SelectedValue & "', Description = '" & Description.Text & "', Price = '" & Price.Text & "' WHERE ListingID ='" & ListingID & "'"
Dim con As New SqlConnection(ListingConnection)
Dim cmd As New SqlCommand(sqlupdate, con)
con.Open()
cmd.ExecuteNonQuery()
con.Close()
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May 14, 2008
Hi!
I am trying to retrieve and update data. I am retrieving the data into the respective controls such as textboxes. The codes are follow:
Retrieve data - working
Dim sqlConn As New SqlConnection()
sqlConn.ConnectionString = ConfigurationManager.ConnectionStrings("ScheduleConnectionString").ToString()
Dim com As SqlCommand = New SqlCommand("SELECT * FROM Demo_Theatre_DB WHERE ID=" & "@ID", sqlConn)
Dim paramID As New SqlParameter("@ID", SqlDbType.Int)
paramID.Direction = ParameterDirection.Input
com.Parameters.Add(paramID)
paramID.Value = e.Value
sqlConn.Open()
Dim reader As SqlDataReader = com.ExecuteReader()
While reader.Read()
StartTimeTextBox.Text = reader("StartTime")
EndTimeTextBox.Text = reader("EndTime")
CompanyNameTextBox.Text = reader("CompanyName")
PurposeTextBox.Text = reader("Purpose")
AccountManagerTextBox.Text = reader("AccountManager")
PresenterTextBox.Text = reader("Presenter")
ColorDDL.SelectedValue = reader("ColorCode")
StatusRadioButtonList.SelectedValue = reader("Status")
CommentTextBox.Text = reader("Comments")
End While
update the data - NOT WORKING
Dim sqlConn As New SqlConnection()
sqlConn.ConnectionString = ConfigurationManager.ConnectionStrings("ScheduleConnectionString").ToString()
Dim cmd As SqlCommand = New SqlCommand("UPDATE Demo_Theatre_DB SET StartTime = @StartTime, EndTime = @EndTime, CompanyName = @CompanyName, Purpose = @Purpose, AccountManager = @AccountManager, Presenter = @Presenter, ColorCode = @ColorCode, Status = @Status, Comments = @Comments WHERE ID=@ID")
cmd.Parameters.AddWithValue("StartTime", StartTimeTextBox.Text)
cmd.Parameters.AddWithValue("EndTime", EndTimeTextBox.Text)
cmd.Parameters.AddWithValue("CompanyName", CompanyNameTextBox.Text)
cmd.Parameters.AddWithValue("Purpose", PurposeTextBox.Text)
cmd.Parameters.AddWithValue("AccountManager", AccountManagerTextBox.Text)
cmd.Parameters.AddWithValue("Presenter", PresenterTextBox.Text)
cmd.Parameters.AddWithValue("ColorCode", ColorDDL.SelectedValue)
cmd.Parameters.AddWithValue("Status", StatusRadioButtonList.SelectedValue)
cmd.Parameters.AddWithValue("Comments", CommentTextBox.Text)
Try
sqlConn.Open()
cmd.ExecuteScalar()
Catch ex As Exception
InsertMsgLabel.Text = ex.ToString
End Try
End Sub
I am getting the following error whenever I click update button.
"ExecuteScalar: Connection property has not been initialized"
Your help will be appriciated!
Thanks!
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Mar 9, 2004
I have table A which has and accountid,df_date1,df_date2. The table is a demographic one which has 1 record for each account
I have a table B which I need to populate from the first df_date1 fields in table A. Table B which is normalized and has an accountid and a df_date1 field but may have several records per accountid. I need the max(date) from this table. I wanted to do an update statement like below
update A
set df_date1
= max(df_date1) from b
where a.account_id = b.account_id
I get the error message
Server: Msg 157, Level 15, State 1, Line 3
An aggregate may not appear in the set list of an UPDATE statement.
Is there another way to do this with a subselect and update?
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Jun 23, 2008
how to use update statement to update fields in a table that has Null values
update sheet1 set [Middle Initial]='' where isnull([Middle Initial],'')=''
this statement some times works sometimes not.
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Nov 7, 2007
I have a table named 'Personal' that has a field that contains values that represent colors (ex: BLACK, BROWN, BLUE, etc.). How do I run an update statement to update the values to defined set. For example (BLACK = BLK, BLUE = BLU, etc.)?
Thanks
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Nov 16, 2007
Hi
I'm new to SQL and have a problem with the following script:-
INSERT INTO organisation_links (organisation_number_1, organisation_number_2, relationship, amended_on, amended_by)
VALUES 2311, 19219, 'BRAN', '01/12/2007', 'Jon')
The above script works OK on a one-off basis but....
Basically, organisation_number_2 (i.e. 19219) always stays the same. However, I need to update organisation_number_1 several times (i.e. 2311 will then change to 2312, 2313, 2314 etc.).
Rather than pasting the script several hundred times and changing the organisation_number_1 value each time, is there a quick way to encompass all the organisation_number_1 values in one go?
I've tried e.g. VALUES (2311,2312), 19219, 'BRAN' etc. but this doesn't seem to work.
Thanks for your help.
Jon
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Feb 14, 2008
I have a table like that:
ColumnA ColumnB ColumnC
-------------------------------
Alice Lukas Alice.Lucas
James Redford James.Redford
James Redford James.Redford
Michael Jackson Michael.Jackson
John Brown John.Brown
John Brown John.Brown
John Brown John.Brown
George Gotham George.Gotham
I want to update duplicated values at ColumnC like:
Alice Lukas Alice.Lucas
James Redford James.Redford
James Redford James.Redford1
Michael Jackson Michael.Jackson
John Brown John.Brown
John Brown John.Brown1
John Brown John.Brown2
George Gotham George.Gotham
How can i do it?
Thanks in advance!
Note: Table is for creating email aliases from names...
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May 2, 2008
SELECT
#followups.suspectid,
#followups.planid,
cond4,
cond5,
cond6,
cond7,
cond8,
tbpdmmembers.firstname tbpdmmembers_firstname,
dbo.GetMemID_PartC_D(#followups.hic,#followups.IsPart_C) tbpdmmembers_MemberID,
--tbpdmmembers.Plan1 tbpdmmembers_MemberID,
tbaddress.address1 tbaddress_address1,
tbaddress.address2 tbaddress_address2,
tbaddress.city tbaddress_city,
tbaddress.state tbaddress_state,
tbaddress.zip tbaddress_zip
from #followups
I want to check if the tbaddress.address1 tbaddress_address1 if it is =null or empty then make it = tbaddress.address2 tbaddress_address2, at the same time I make the tbaddress.address2 tbaddress_address2, null. Otherwise leave it as it is.
Actually, I am working with the report and the tbaddress.address1 carrying the apt number. if there is no aprt # then the line print blanks. so that brings the empty line between the street address and the citystate line.
That is what i am tryig to cover. There could be a way to do this from the crystal report but I am thinking of doing this way cause I can't get the solution to do it from the crystal report.
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May 16, 2008
Hello, I have been SSIS for a bit now, but really only it its most straight forward simple tasks I have the following issue which for the life of me I can't seem to sort out
1)Excel Source - - -> all data pushed into a initial SQL table
2) Data in initial SQL table gets sorted, certain fields get made UPPER , right trim that sort of thing
3) now I select a set of distinct values of a certain column in the SQL table and get a list of maybe 60 results
these results I want to enter into a table in a different database on same server, the table in the destination db has a identity column and a value column
adding / appending all the distinct value from the import data works fine,
but I want to add only the values which are not already in the destination table what is the best way to update the destination table, should I be using stored proc or is there a easier way in SSIS to do this
Thanks
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Sep 19, 2007
Hi,
I'm very new to stored procedures and I've been searching on google to find a way to custom page my results using SQL Server 2005. I'm trying to use Row_Number() and a CTE to keep things efficient and scaleable but I keep getting an error next to my UPDATE statement.
I get the following error: "[Microsoft][ODBC SQL Server Driver][SQL Server]Incorrect syntax near the keyword 'UPDATE'."
The sproc works without the UPDATE statement. Does anyone know where I need to put the UPDATE statement to update the "searched" field for each record selected?
CREATE PROCEDURE [zk_update_request_england](@property_type tinyint,@market_status tinyint,@price int,@bedrooms tinyint,@search_location varchar(30),@search_district varchar(30),@PageSize int,@PageIndex int)
AS
BEGIN
WITH SearchResults AS(
UPDATE dbo.zk_request_england SET searched = searched + 1 WHERE property_type = @property_type AND market_status = @market_status AND bedrooms = @bedrooms AND search_location = @search_location AND search_district = @search_district AND min_price <= @price AND max_price >= @price
SELECT user_id, min_price, max_price, property_description, searched, ROW_NUMBER() OVER (ORDER BY max_price DESC) AS RowNumber FROM dbo.zk_request_england WHERE property_type = @property_type AND market_status = @market_status AND bedrooms = @bedrooms AND search_location = @search_location AND search_district = @search_district AND min_price <= @price AND max_price >= @price
)
SELECT user_id, min_price, max_price, property_description FROM SearchResults WHERE RowNumber BETWEEN (@PageIndex - 1) * @PageSize + 1 and @PageIndex*@PageSize
END
Thanks in advance for any help.
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Apr 5, 2007
In my datawarehouse fact table I have a column (revenue) that I want to populate based on the values of number of columns, for simplicity, say just 2 columns, 'productid' and 'affiliateid'.
I have a revenue lookup table, with those same 2 columns and the amount. So far so simple, but rather than have one row for every possible combination, I use 0 to mean default. For instance, all the affiliates have the same revenue value apart from a couple, so instead of 200 rows identical except for the affiliateid, I have one row with a '0' for the affiliateid and 4 rows with specific affiliateIDs where it differs from the default.
E.G.
AffiliateID, TypeID, Revenue
0, 1, £50
22, 1, £55
33, 1, £57
0,2,£60
22, 2, £66
33, 2, £69
To update the values, I join to the revenues table twice, one for both columns matching, and once for the default. I.E.
UPDATE facttable SET revenue = ISNULL(rev1.revenue, ISNULL(rev2.revenue,0))
FROM facttable FT
LEFT OUTER JOIN revenues rev1 ON FT.AffiliateID = rev1.AffilateID and FT.TypeID = rev1.TypeID
LEFT OUTER JOIN revenues rev2 ON rev1.AffilateID = 0 and FT.TypeID = rev1.TypeID
(In fact, this is over-simplified, because in fact there are 3 columns, so I have to have 8 joins like this).
This works very well, and cuts down the management of revenues significantly, there are a few 100 rows instead of the more than 100,000 there would be if I put every possible combination of values in its own row.
However, now there is a requirement to increase the granularity of the revenue allocation up to 5 columns, which makes 36 joins and there could well be more columns added later.
Has anyone come across a situation like this (and found a neater solution).
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Oct 13, 2007
Hi
I have a table containing:
ProductCat Product Qty NewQty
TypeA ProductA -10
TypeA ProductB 5
TypeB ProductX 8
TypeB ProductY -5
I need to get rid of negative values in the same ProductCat by adding surplus values to the negative values in the same ProductCat ie. This is what I ant the table to look like.
ProductCat Product Qty NewQty
TypeA ProductA -10 -5 (Add ProductB to ProductA in the same ProductCat to reduce the deficit)
TypeA ProductB 5 0 (Due to the fact that I added 5 to ProductA NewQty must be reduced by 5)
TypeB ProductX 8 3
TypeB ProductY -5 0 (Deficit only has to be reduced to 0 where possible therefor the balance
of 3 for ProductX)
Note the values in Qty can stay as the same. I am interested in the New values.
Could someone please help me with the correct method of doing this?
Thank you.
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Oct 24, 2006
HiI am new to the world of aspx, .net and C#.In aspx .net 2.0. I am trying to work out how to get a datagrid to perform an update. Using Visual Developer I have successfully added the control and specifed a select statement to return data via my SQLData Source. This works fine. However having specifed the control as editable I would like to perform an update through the datagrid and SQLDatasource. I see in the properties for the SQLDatasource object I can specify my update statement.However I do not understand how to get that update statement to have variable values and how newly entered values from the grid can be placed into these variables when the update takes place. Can someone please point me in the right direction? I have not found the MS doc very illuminating thus far and have not found any examples.Many ThanksT
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May 26, 2000
I am looking for suggestions on how to accomplish the following task with the least amount of hand keying that I can get away with.
I have a main table named Office and 4 other tables that have the Office table ID field value in them.
I have been given a new set of ID values that need to replace the values that are currently in the Office table and then update the ID field in the other 4 tables.
I have only thought of 2 solution and I don’t like either one.
1 Add a new column to the Office table and key in the new ID’s then go through the pages that reference the old ID field and change the SQL queries to use the new field.
2 Change the value of the current Office ID field to the new value. Search the other 4 tables for the old value and then update them to the new value.
Anyone got a better Idea?
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Aug 25, 2004
Hello!
I have a "current" table which users update on a daily basis, it holds forecast data. This table is designed to only hold 7 days of data and is therfore always rolling over by date.
What I want to do is have a procedure that copies this "Current" table to a "History" table every day so the historical information is stored. The copy is simple, but how do I check for and over ride values that are already in the "history" table with the newest values from the "current" table because the "current" values have the possibility of changing a few times while the forecast is updated. I can define a primary key but am not sure how to check for and update the necessary values?
Any help??
Many thanks!
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Nov 11, 2005
hi there,
i am new to sql server database.i am doing small projects right
now using asp.net and sql to create webpages (very basic webpages)
My problem is:
Problem :
i have two tables .....table 1 and table 2.
Table 1 has following fields: studentid,student name,student address.
Table 2 has following fields:studentid and course .
table1 student id is the primary key refrencing table 2 student id.
Now i delete a record in table 1 which will in turn also get deleted in
table 2 . so for eg if i have three records 1 ,2 and 3 ....then i
delete 2 in table 1 ...i will have 1 and 3 in both table 1 and table
2....now i want 3 to become 2 in both table 1 and table 2...so that i
dont have empty space between two student id's 1 and 3. so this is my
problem....if any one can help me out with suggestions please
do.
thank you all........
ahmed_ind
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Mar 3, 2006
hi ,
I recently moved from SQL 2000 to SQL 2005.
The client side is vb6 and using Dcom dll's hosted on the db server.
I have a table which has oninsert trigger
When the recordset is updated in the com class it throws the foll error :
"Row cannot be located for updating. Some values may have been changed since it was last read."
The same code was working with SQL 2000 !!!
Any clues.
implicit tran are off on the sql 2005 server.
Thanks in advance.
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May 2, 2008
Hi Folks,
I have a task I wrote which does not always update the property value (as seen in the properties pane)
Basically, change something on the form, then update the task host property with:
this.taskHostValue.Properties["Duration"].SetValue(this.taskHostValue, Convert.ToInt32(spnDuration.Value));
Stepping through this, it does exactly what it is supposed to. Having a look at the property value, it confirms it has changed.
Reopening the UI and resetting all the controls returns the expected results.
The package however does not realise it has changed. There is no * next to the package name in the top tabs.
As long as the package thinks it is unchanged, SaveXML does not get called either so the tasks do not persist.
Changing the value on the properties pane works fine though.
The frustrating thing is this is slightly random. Slight in the sense that sometimes it works but most of the time it does not.
The sample code I used was the MS download IncrementTask (Which works BTW) so I can't see it as being a VS / SSIS bug but rather something I am / am not doing. 3 tasks I have written all behave the same. I have to "nudge" them before savign the package.
Any ideas what the problem might be?
TIA
Cheers,
Crispin
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Apr 25, 2007
I am having an issue when trying to do something that looks simple on the face of it.. I want to replace the value during update in the same table.
Here's my situation
tst_update
ID int
Col1 varchar(10
I want to ensure that everytime Col1 is updated to "A" I want to set it to "X". Otherwise leave it as is.
Can someone help.
Thanks,
Ashish
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Oct 24, 2006
I am attempting to update a sql db using the update and parameter code in VB.net 2003 through MSDE for a web application. It updates changed data OK, but if the textbox value is deleted, the code does not update the sql db. I am new to this, and I'm sure it is something simple. Here is some sample code.
SqlConnection1.Open()
strSQLu = "UPDATE table1 " _
& "SET Field1Tag = @Field1Tag, Field2Tag = @Field2Tag " _
& "WHERE (Field1Tag = @Field1Tag) "
cmdCategoriesUpdate.CommandText = strSQLu
With cmdCategoriesUpdate
.Parameters("@Field1Tag").Value = txtFld1.Text
.Parameters("@Field2Tag").Value = txtFld2.Text
End With
cmdCategoriesUpdate.ExecuteNonQuery()
SqlConnection1.Close()
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Jul 18, 2007
In my code behind file I have this function:
1 public void getAllSystems()
2 {
3 MTConnection con = MTConnection.CreateConnection(new Credential(new Context("ClearQuest - Boise", "Version 2.0", Micron.Application.Context.Environments.Production), "DSSPROD", Credential.DataSourceTypes.MSSQL, Credential.DataSourceProviders.Odbc));
4
5 string sqltest = " select T1.dbid,T12.systemname AS 'ParentSystem',T1.systemname AS 'SupportSystem',T1.systemstate,T1.features,T3.name,T4.stakeholder," +
6 " T4.fldcolumn_1,T1.systemwebpage,T1.description from ( ( ( ( ( ( ( ( CQ_ADMIN.micronsystem T1 INNER JOIN" +
7 " CQ_ADMIN.microngroup T6 ON T1.primarysupportgroup = T6.dbid ) INNER JOIN CQ_ADMIN.securitygroups T7 ON T1.secuirtygroup" +
8 " = T7.dbid ) LEFT OUTER JOIN CQ_ADMIN.parent_child_links T12mm ON T1.dbid = T12mm.child_dbid and 16778862 =" +
9 " T12mm.child_fielddef_id ) LEFT OUTER JOIN CQ_ADMIN.micronsystem T12 ON T12mm.parent_dbid = T12.dbid )" +
10 " LEFT OUTER JOIN CQ_ADMIN.parent_child_links T3mm ON T1.dbid = T3mm.parent_dbid and 16804095 =" +
11 " T3mm.parent_fielddef_id ) LEFT OUTER JOIN CQ_ADMIN.feature_1 T3 ON T3mm.child_dbid = T3.dbid ) LEFT OUTER" +
12 " JOIN CQ_ADMIN.parent_child_links T4mm ON T3.dbid = T4mm.parent_dbid and 16804263 = T4mm.parent_fielddef_id )" +
13 " LEFT OUTER JOIN CQ_ADMIN.stakeholder T4 ON T4mm.child_dbid = T4.dbid ) where T1.dbid <> 0 and ((T6.abbreviation =" +
14 " 'Test ES Eng Software' and T1.systemstate = 'Active')) and ((T7.dbid in (select parent_dbid from" +
15 " CQ_ADMIN.parent_child_links where parent_fielddef_id = 16778767 and child_dbid in (select child_dbid from" +
16 " CQ_ADMIN.parent_child_links where parent_fielddef_id = 16777328 and parent_dbid = 33664106)and T12.systemname IS NOT" +
17 " NULL ))) order by T3.name ASC,T1.systemname ASC";
18
19 System.Data.DataSet ds = con.ExecuteDataset(CommandType.Text, sqltest);
20
21 foreach (DataRow drCQ in ds.Tables[0].Rows)
22 {
23 string parent_system = drCQ["ParentSystem"].ToString();
24 string child_system = drCQ["SupportSystem"].ToString();
25 //Response.Write(child_system + "<B><I>'S PARENT IS</I></B> " + parent_system + "<BR />");
26 }
27 }
I would like to pull the values of parent_system and child_system into my main page but I don't know how to do that. Is it even possible?Thanks,Xana.
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Jan 26, 2008
I'm in the process of building various queries and I'm having issue calculation values in the following code. I need to calculate the maximum and minimum salary for exempt employees and include a column that calculates the difference in these numbers. I have no issue creating views and outputing data. When I try to calculate the values I receive errors:
My code is:
GO
IF OBJECT_ID ('Salaries') IS NOT NULL
DROP VIEW Salaries ;
GO
CREATE VIEW Salaries
AS
select max(Salary) from EMPLOYEE join JOB_TITLE on EMPLOYEE.JobID = JOB_TITLE.JobID where ExemptStatus='Exempt'
Group By Salary, ExemptStatus;
GO
SELECT * FROM [Salaries]
I'm receiving the following
Msg 4511, Level 16, State 1, Procedure Salaries, Line 3
Create View or Function failed because no column name was specified for column 1.
Msg 208, Level 16, State 1, Line 1
Invalid object name 'Salaries'.
Thanks folks..
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Jun 16, 2015
Here is a requirement. Need to update the columns in the tables with the latest values available in CSV.
The file is based on department so the list of tables which is under this department all the corresponding tables needs to updated.
The CSV file which is dynamic in nature the number of columns changes it has header of the columns that needs to be updated.
The destination tables are listed under department table for each department. So I have to update the columns in the tables with the values in csv.
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Jan 1, 2006
How do I access sqldatasource data values in code behind and bind them to strings or texboxes etc. as oposed to using Eval in the markup?
I can create a new database connection, but I would like to use the data values from the autogenerated sqldatasource control
Many thanks,
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Jul 20, 2005
I have a table called Orders with three fields, OrderID, Action,Status.Action and Status are code values with FK lookup to dbo.Action anddbo.Status respectively.Is it possible for me to return not just the code values but the filednames?For example:SELECT OrderID,Action,Status FROM Orders:Returns 1001,B,FHowever I would like dboAction.ActionName and dbo.Status.StatusName to bereturned instead.I.e Returns 1001,BUY,Filled.Is this possible?Thank you.
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Jan 23, 2008
Hi All,
I receive the input file with some 100 columns and some 20k+ rows and I want to check the incoming input row is existed in the database or not based on 2 key columns. If the row is existed then I need to check all the columns (nearly 100 columns) values in input and the database are equal or not. If both are equal I need to treat them seperately if not there is a seperate logic. How Can I do that check for each row and for each column?
Basically the algorithm is like this, if the input file row is not existed in the database then treat that as new row else if the input row is existed in the database then check all the columns are equal or not. If all the columns are equal then treat that as existing row and do nothing else if some columns are not equal then treat this row seperately.
I found some thing to achieve the above thing.
1. Take the input row and check in the database.
2. If the row is not found in the database then treat it as new row.
3. If row is found in the database then
a) Take the source row and prepare a concatenated string for all the columns
b) Take the database row and prepare a concatenated string for all the columns
c) Find out the hash code for the 2 strings and then compare hash codes for equal.
The disadvantage of this is running a loop 2*m*n times where m is the number of rows and n is the number of columns. It should be done 2 times for input file row and database row.
Can anybody suggest a good method to do this?
What does the function "GetHashCode" for InputBuffer in method "Public Overrides Sub Input0_ProcessInputRow(ByVal Row As Input0Buffer)" will do?
Will it generates hash code based on all the columns values?
Pls clarify.
Regards
Venkat.
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