Getting A Single Value From SqlDataSource
Mar 5, 2007
Hi,
I have a SqlDataSource(named SQLDS1) which retrieves 4 value from database(ProductName,ProductCost,ProductID). I Have a DropDownList(DDL1) control and its DataSource SQLDS1.
DDL1 Selected data field to display is ProductName
DDL1 Selected data field to value is ProductCost
I did all this in Visual Part without any line of code. But in the code behind , When i select an item from DDL1 i need its ProductName,ProductCost and Also ProductID. It is simple to get first two. But how can i get the ProductID. Is there anyway to get ProductID from SQLDS1.
Happy Coding
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Jul 23, 2007
What is the C# code I use to do this?
I'm guessing it should be fairly simple, as there is only one row selected. I just need to pull out a specific field from that row and then insert that value into a different SqlDataSource.
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Jul 5, 2006
I have set up a sqlDataSource that returns one value.
I would like to assign the value to a string.
How would I acomplish this,
thanks
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Aug 19, 2006
hi,
i need to code for retrieving single data from sqldatasource control. i need the full set of coding
connecting
retrieving data in text box
editing data to the table
updating data to the table
deleting data to the table
i want to fetch "single field data"
any one who know the code please post reply or send it to my mail senthilonline_foryou@rediffmail.com
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Jun 19, 2007
Is me again,and now i facing problem to retrieve a single record from the database.
here is my code:
Protected Sub Button1_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles Button1.Click Dim user As String user = TextBox1.Text Dim varpassword Dim mydata As SqlDataSource
mydata.SelectCommand = "Select * from tbluser where uLogin = '" & user & "'" varpassword = mydata.SelectCommand.uPassword
End SubEnd Class
but i get the error : 'uPassword' is not a member of 'String'
i wan to retrieve the password of that user,can anyone help me?
thanks
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May 9, 2008
hello friends iam newlly joined in to company any one can help me how to bind individual controls to a single SqlDataSource Control..
my problem is "i have different text boxes and dropdown boxes and what i want to do is if i enter primary ker field(employeeno) in the text box automatically i need to get that particular record and i need to populate it to the Respective controls...
is there any chance of doing this by using a single datasource control..
pls help me its urgent
Regards
k.seshu
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Jan 17, 2006
First I want to say thanks to the folks how have helped me over the past week or two.
I'm missing a crucial piece of insight. How do I read a single piece of data from a SqlDataSource which only hold one row of data into a declared variable?
string zUserName = SqlDataSource.(get the value in the row that is labeled UserName)
It really doesn't matter to me whether it is an SqlDataSource or some other data container that hold the data I've selected. My goal is to be able to read some data from some predefined datasource into a declared variable.
If I am approaching this problem in the wrong way any advice or article links you could give me would be grealy appreciate.
Thanks, Bill
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Apr 4, 2006
How can i combine my data in single row ? All data are in a single table sorted as employeeno, date
Code:
Employee No Date SALARY
1 10/30/2006 500
1 11/30/2006 1000
2 10/25/2006 800
3 10/26/2006 900
4 10/28/2006 1000
4 11/01/2006 8000
Should Appear
Code:
EmployeeNo Date1 OLDSALARY Date2 NEWSALARY
1 10/30/2006 500 11/30/2006 1000
2 10/25/2006 800
3 10/26/2006 900
4 10/28/2006 1000 11/01/2006 800
PLEASE HELP I REALLY NEED THE RIGHT QUERY FOR THIS OUTPUT.
THANKS IN ADVANCE
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Mar 8, 2007
i am using visual web developer 2005 with SQL Express 2005 with VB as the code behindi have one database and three tables in itfor manipulating each table i am using separate SqlDataSource() is it sufficient to use one SqlDataSource() for manipulating all the three tables ? i am manipulating all the tables in the same page only please help me
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May 10, 2015
Here is some data that will explain what I want to do:
Input Data:
Part ColorCode
A100 123
A100 456
A100 789
B100 456
C100 123
C100 456
Output Data:
Part ColorCode
A100 123;456;789
B100 456
C100 123;456
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Aug 20, 2006
I have an asp:sqldatasource which is bound to a gridviewIn addition to this I would like it to a) see if there is a specif row/ item in it (ie item_id = 10 for any of the rows it has received) as I conditionally want to show another item outside of the gridview subject to if it is in the gridview or notb) show the sum of all the values within a certain column of returned rowsMany thanks
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Oct 11, 2006
How do I get the result of this select into a variableDim sqldsFindUserId As SqlDataSource = New SqlDataSource sqldsFindUserId.ConnectionString = ConfigurationManager.ConnectionStrings("bluConnectionString2").ToString sqldsFindUserId.SelectCommandType = SqlDataSourceCommandType.Text Dim myUserIdCmd As String = "select pkUser from tblUsers where strDisplayName='" + myDisplayname + "" sqldsFindUserId.SelectCommand = myUserIdCmd ' The result of this select statement is to be stored in a variable, how do I do it?
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Jan 15, 2007
hi all,
in all my 2.0 learnings and books i keep coming across the page element <asp:sqldatasource>.
I have always (in 1.1) used server side connections and adapters to bind my Sql datasets to any control needed. Now that im learning 2.0 im finding it difficult to understand using control on the page to bind my data. Can someone explain the benefits of using this data source? Ideally i would like to keep my data access layer separate from my presentation layer but i'd really like to understand why this method seems so popular.
thanks in advance,
mcm
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Feb 23, 2007
Hi, I am new to ASP.NET 2.0 and I am trying to use VWB to bind my web site to a SQL Express edition. I used SQLDataSource to specify the .mdf file so I can connect to my tables but when I click on the advanced button to generate the Insert, Update, Delete SQL I find it grayed out and it cannot be clicked. I looked into several tutorials online and I couldn't find the problem, can anyone explain what I am missing or doing wrong? Any suggestion is very appreciated. Thanks
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Mar 30, 2007
SELECT * FROM [CONTACTS] WHERE @ddl_value LIKE '%@txt_value%'
Why doesn't this not working
I am using SQLdatasource control to bind a gridview
If my query is wrong then what might be the correct one to work with like operator in the sqldatasource
Can any ony help me!
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Apr 12, 2007
Hello All,
I have quick question ..
In my aspx page i have gridview and Sql DataSource object as you can see
<asp:sqldatasource id="SqlDataSource1" runat="server" ></asp:sqldatasource>
<asp:gridview id="GridView1" runat="server" allowpaging="True" allowsorting="True" autogeneratecolumns="False" datasourceid="SqlDataSource1">
<columns>
<asp:boundfield datafield="breakdownid" headertext="breakdownid" insertvisible="False"
readonly="True" sortexpression="breakdownid" />
<asp:boundfield datafield="ticketno" headertext="ticketno" sortexpression="ticketno" />
<asp:boundfield datafield="systemtype" headertext="systemtype" sortexpression="systemtype" />
<asp:boundfield datafield="break_date" headertext="break_date" readonly="True" sortexpression="break_date" />
<asp:boundfield datafield="subject" headertext="subject" sortexpression="subject" />
<asp:boundfield datafield="status" headertext="status" sortexpression="status" />
<asp:boundfield datafield="prioritylevel" headertext="prioritylevel" sortexpression="prioritylevel" />
<asp:boundfield datafield="mobiletype" headertext="mobiletype" sortexpression="mobiletype" />
</columns>
</asp:gridview>
In codebehind file i call a function to get data from database. what i want is to bind the result to the sqlDataSourse not the gridview.
I need to have the SqlDataSourse thier.. Any help please
Sub Page_load(ByVal sender As Object, ByVal e As EventArgs) Handles Me.Load
If Not Page.IsPostBack Then
Dim objReader As New Dynamic.Reportsdemo
SqlDataSource1 = .objReader.Get_Tickets(1, 0, "all")
SqlDataSource1.DataBind()
objReader.objconnection.Close()
End If
End Sub
Thanks.
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May 28, 2007
Hi!Please tell me, how to get a simple value using SQLDataSource, I mean a number, or char, or string - any value, NOT DataTable
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Jul 23, 2007
I am trying to get record from a table and verify it with a textbox i have a sqldatasource.
i have a text box called txtEmail and this is my Select command. how can i get this working if its possible ?
something like txtEmail.text = SqlDataSource1.Secect then ... my code. (i dont know if this a correct way to do this)
<asp:SqlDataSource ID="SqlDataSource1" runat="server" ConnectionString="<%$ ConnectionStrings:imacstestConnectionString %>"
SelectCommand="SELECT FROM [t_CustomerAcct]"
thanks,
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Aug 13, 2007
hi all,i am using sqldatasource for gridviewso that i can edit and update any row at the same place ..... and not to write any code for that....now later on if i wanna change the selectcommand of that sqldatasource how can i ? so that the edit and update will be same as it was....
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Aug 21, 2007
Hi,
I'm trying to go through a checkbox list and inserting them into a database using a sqldatasource with the following code:For Each li As ListItem In Locations_Checkbox.Items
If li.Selected = True Then
Dim DataSource2 As SqlDataSource = CType(InsertProgrammeLocations, SqlDataSource) DataSource2.InsertParameters.Add("ProgrammeID", li.Value)
DataSource2.Insert()
End If
Next
When more than one checkbox is ticked, I'm getting the error 'The variable name '@ProgrammeID' has already been declared'. How do I close or reset my Datasource before I try and use it again?
Thanks for your help
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Oct 28, 2007
please explain selectparameter collection and conflict detection property and filterparameter
mohsen
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Oct 29, 2007
Hi, I want to know when to use an sqlDataSource object because I used to populate for example a listBox control in visual studio net 2003 from AQLK server database by using a connection object, command object, dataAdapter object and a DataSet object. I discovered if I use sqlDataSource object (using visual studio net 2005) ,all I need is to write the connection string and a Select statement as properties for that sqlDataSource, so why to use the above mentioned objects(connection,command,adapter,dataset) while I can access any database in sql server through the use of sqlDataSource?
I appreciate if you can explain to me the difference and when to use an sqlDataSource
thx
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Dec 4, 2007
How can I update more than one table with one UpdateString in SqlDataSource?
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Dec 9, 2007
Hi,
I have an application w/ n-tier design so I've never used the SqlDataSource up to this point but having to do my own sorting for GridViews is not something I want to keep dealing with. I'd like to take advantage of some of the packaged features too.
My question is: are there any purists out there who opted to use SqlDataSource. If so, what do you think about it? It's nice that SqlDataSource makes things simple but having data classes and dealing w/ exceptions in those classes certainly make an application pretty robust. Should I entertain the idea of using SqlDataSource or stay as a purist and keep doing things the old fashioned way?
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Dec 30, 2007
How to display returned data from sqldatasurce in a textbox.
This code is not working TextBox1.Text = SqlDataSource2.ToString(); Thanks Lot.
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Jan 16, 2008
Hey all,I've just started to use asp.net and so far have found it fairly easy. The only problem I've come across is with putting variable clauses into the SqlDataSources.This is one example of what I've done trying to get this to work. <asp:SqlDataSource ID="ClaimsDataSource" runat="server"
ConnectionString="<%$ ConnectionStrings:ConnectionString %>"
ProviderName="<%$ ConnectionStrings:ConnectionString.ProviderName %>"
SelectCommand="SELECT TOP 20 dbo_ClaimStatus.ClaimStatus, dbo_CLAIMS.PACKET, dbo_INSURED.NAME, dbo_FEES.INSURER, dbo_FEES.CLAIM_NUMBER, dbo_CLAIMS.LOSS_DATE, dbo_CLAIMS.RECEIVED, dbo_CLAIMS.LOSS_LOCATION, dbo_CLAIM_TYPES.CODE FROM ( ( ( ( dbo_CLAIMS INNER JOIN dbo_CLAIM_TYPES ON dbo_CLAIMS.CLAIM_TYPE = dbo_CLAIM_TYPES.CODE ) INNER JOIN dbo_ClaimStatus ON dbo_CLAIMS.StatusID = dbo_ClaimStatus.ClaimStatusID ) INNER JOIN dbo_FEES ON dbo_CLAIMS.PACKET = dbo_FEES.PACKET ) INNER JOIN dbo_INSURED ON dbo_CLAIMS.PACKET = dbo_INSURED.PACKET ) WHERE dbo_ClaimStatus.ClaimStatus = @claimStatus"> <FilterParameters> <asp:QueryStringParameter Name="claimStatus" QueryStringField="ctl00$MainContent$claimStatus" /> </FilterParameters></asp:SqlDataSource>I'm posting claimStatus from a previous page using PostBackUrl on an <asp:Button /> tag and claimStatus is an <asp:DropDownList /> tag.Any idea's as to why this doesn't work?Nalum
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Feb 24, 2008
Dear Friends in my project , i' ve used two SqlDataSource, one button and one gridview control;
the process that i want to do is when i click the button control ,according the if structure in this button control ; one of the SqlDataSource control assign to the gridview control DataSource property (but i assign the DataSourceID property for the gridview , it runs);
but i couldnt do it, what can i do for it? (my code doesnt give any errors but doesnt do anything too)
my code is here;
protected void btnSearch_Click(object sender, EventArgs e) { if (txtSearch.Text != null){ SqlDataSource3.SelectParameter["key"].DefaultValue = txtsearch.Text; Gridview1.DataSource = SqlDataSource3; GridView1.DataBind(); } else { SqlDataSource1.SelectParameters["keySession"].DefaultValue = cbSession.SelectedItem.ToString(); SqlDataSource1.SelectParameters["keyClass"].DefaultValue = cbClass.SelectedItem.ToString(); SqlDataSource1.SelectParameters["keyUnit"].DefaultValue = cbUnit.SelectedItem.ToString(); Gridview2.DataSource = SqlDataSource1; GridView2.DataBind(); }
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Feb 24, 2008
Dear Friends in my project , i' ve used two SqlDataSource, one button and one gridview control;
the process that i want to do is when i click the button control ,according the if structure in this button control ; one of the SqlDataSource control assign to the gridview control DataSource property (but i assign the DataSourceID property for the gridview , it runs);
but i couldnt do it, what can i do for it? (my code doesnt give any errors but doesnt do anything too)
my code is here;
protected void btnSearch_Click(object sender, EventArgs e) { if (txtSearch.Text != null){ SqlDataSource3.SelectParameter["key"].DefaultValue = txtsearch.Text; Gridview1.DataSource = SqlDataSource3; GridView1.DataBind(); } else { SqlDataSource1.SelectParameters["keySession"].DefaultValue = cbSession.SelectedItem.ToString(); SqlDataSource1.SelectParameters["keyClass"].DefaultValue = cbClass.SelectedItem.ToString(); SqlDataSource1.SelectParameters["keyUnit"].DefaultValue = cbUnit.SelectedItem.ToString(); Gridview1.DataSource = SqlDataSource1; GridView1.DataBind(); } }
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Apr 16, 2008
Could someone help me with syntax? Everything works until line 23. At that point, I get a NullReferenceException. When I examine the SqlDataSource object, everything inside reads "Object cannot be null" or "The pointer for this method was null." The SQLDataSource looks ok, just before executing line 23.
Does anyone have a complete example of how to do this ADO operation?
Thank you. 1 Dim fv As FormView = Nothing
2 Dim sds As New SqlDataSource
3
4 ' ===== Lookup connection string =====
5 sds.ConnectionString = ConfigurationManager.ConnectionStrings("LocalSQLServer").ToString
6
7 ' ===== Define command statements =====
8 cmdSelect = _
9 "SELECT rowid, FRScrnLev, FRPgmLev, " + _
10 "FRFName, FRLName, FRIDate, OverRide, OverRideDesc " + _
11 "FROM PSB_Pre WHERE PSBid = @PSBid"
12
13 ' ===== Get handle to Formview =====
14 fv = CType(MultiView1.Views(0).FindControl(ViewState(VS_VIEW).ToString), FormView)
15
16 ' ===== Complete definition of data source =====
17 sds.SelectCommand = cmdSelect
18 sds.SelectCommandType = SqlDataSourceCommandType.Text
19
20 sds.UpdateCommand = cmdUpdate
21 sds.UpdateCommandType = SqlDataSourceCommandType.Text
22
23 sds.SelectParameters("PSBid").DefaultValue = CP.PsbId
24
25 ' ===== Bind data source to FormView. =====
26 fv.DataSource = sds
27 fv.DataBind()
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May 26, 2008
I have an sqldatasource that has a select statement and i just wanna pull a value out of it
a single value
row 0 colum 0
and assign it to a string
the coloum is an interger in the database
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Jun 4, 2008
Hi, i am trying to use a sqldatasource to update a table and when i go and update the table it puts a null value in for all of my fields. I am not sure what is happening and i have never used on of these before. Is there some code that i need to write to accompany the sqldatasource or am i just missing something. I have posted the code below. Thanks.<asp:GridView ID="grdSize" runat="server" AutoGenerateColumns="False"
DataSourceID="sqlbk" Width="295px" BackColor="White" BorderColor="#999999"
BorderStyle="None" BorderWidth="1px" CellPadding="3" GridLines="Vertical">
<FooterStyle BackColor="#CCCCCC" ForeColor="Black" />
<RowStyle CssClass="grdsizerow" BackColor="#EEEEEE" ForeColor="Black" />
<EditRowStyle CssClass="grdsizeedit" />
<Columns>
<asp:CommandField ShowEditButton="True" />
<asp:BoundField DataField="ID" HeaderText="ID" SortExpression="ID" />
<asp:TemplateField HeaderText="Diameter" SortExpression="Diameter">
<EditItemTemplate>
<asp:TextBox ID="TextBox1" Width="60px" Height="16px" runat="server" Text='<%# Eval("Diameter") %>'></asp:TextBox>
</EditItemTemplate>
<ItemTemplate>
<asp:Label ID="Label1" runat="server" Text='<%# Bind("Diameter") %>'></asp:Label>
</ItemTemplate>
</asp:TemplateField>
<asp:TemplateField HeaderText="HighLimit" SortExpression="HighLimit">
<EditItemTemplate>
<asp:TextBox ID="TextBox2" Width="60px" Height="16px" runat="server" Text='<%# Eval("HighLimit") %>'></asp:TextBox>
</EditItemTemplate>
<ItemTemplate>
<asp:Label ID="Label2" runat="server" Text='<%# Bind("HighLimit") %>'></asp:Label>
</ItemTemplate>
</asp:TemplateField>
<asp:TemplateField HeaderText="LowLimit" SortExpression="LowLimit">
<EditItemTemplate>
<asp:TextBox ID="TextBox3" Width="60px" Height="16px" runat="server" Text='<%# Eval("LowLimit") %>'></asp:TextBox>
</EditItemTemplate>
<ItemTemplate>
<asp:Label ID="Label3" runat="server" Text='<%# Bind("LowLimit") %>'></asp:Label>
</ItemTemplate>
</asp:TemplateField>
</Columns>
<PagerStyle BackColor="#999999" ForeColor="Black" HorizontalAlign="Center" />
<SelectedRowStyle BackColor="#008A8C" Font-Bold="True" ForeColor="White" />
<HeaderStyle CssClass="grdsizeheader" BackColor="#000084" Font-Bold="True" ForeColor="White" />
<AlternatingRowStyle BackColor="#DCDCDC" />
</asp:GridView><asp:SqlDataSource ID="sqlbk" runat="server"
ConnectionString="<%$ ConnectionStrings:qdbConnectionString %>" SelectCommand="Select ID, screwdia as Diameter , HighLimit, LowLimit from ScrewSize"
UpdateCommand="UPDATE ScrewSize SET screwdia = @dia, HighLimit = @high, LowLimit = @low WHERE (ID = @ID)">
<UpdateParameters>
<asp:Parameter Name="dia" Type="String" />
<asp:Parameter Name="high" Type="String" />
<asp:Parameter Name="low" Type="String" />
<asp:Parameter Name="ID" Type="Int32" />
</UpdateParameters>
</asp:SqlDataSource>
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Nov 22, 2005
Hi
When i am configuring the SQLdatasource control the checkbox of Generate insert,updata and delete is disabled i wnat to check this checkbox
can anybody tell me how i enable this checkbox
thanks
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