The Sqldatasource Selectcommand...

Apr 12, 2008

Hi

Do you guy's know if there is an upper limit on the length of the string that can go into the selectcommand of the sqldatasource? I'm getting strange behavior from the sqldatasource. I'm dynamically generating select strings in the business layer and then programmatically using them in a sqldatasource up in the website. I sometimes get really large select statements (whole pages of joins) and was wondering if there was a character limit to the selectcommand property.

Nuwanda

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Sqldatasource.selectcommand?

Apr 27, 2007

Hello everyone,
I would like to know if there is a way to know if a sqldatasource.selectcommand returns tables or not? I'm trying to make a If statement so that if the selectcommand isn't returning anything it will disable a checkbox.
 
Thank you.

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Nov 19, 2007

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Dec 12, 2007

I am trying to set a select command in a VB script which is activated by a button and to display the data in a gridview
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May 25, 2006

Greetings all,
I am new to ASP, .NET, and VWD2005. My experience lies primarily with PHP.
I was impressed with how simple it was to create a datagrid view of a table in VWD, however, now I'm stuck and need some assistance.
I have an Access database, and have configured an SQL Data Source to it. (forgive me if my terminology is bad)
The code is:
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My original intent was to create a sting variable "strQry" which contained the actualy Select statement above. The strQry would be programatically created to alter the WHERE statement accordingly for B,C,D,E - Z. My code would then be
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Jun 27, 2006

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Mar 6, 2008

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Dec 12, 2006

Hi all
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Sep 18, 2007

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Dim Table As String
Dim SearchString As StringSearchString = Request.QueryString("SearchString")
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Case ""
Label1.Text = "Nothing Selected in Drop Down Box"
End Select
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GridView1.DataBind()End Sub
End Class
 
Here is also my code to the front end of the page...
 
<%@ Page Language="VB" MasterPageFile="~/MasterPage.master" AutoEventWireup="false" CodeFile="SearchResults.aspx.vb" Inherits="Private_SearchResults" title="Search Results" %>
<asp:Content ID="Content1" ContentPlaceHolderID="ContentPlaceHolder1" Runat="Server">
<br />
<strong><span style="font-family: Tahoma">Search Results<br />
<br /></span></strong>
</asp:Content>
<asp:Content ID="Content2" ContentPlaceHolderID="ContentPlaceHolder2" Runat="Server">
<asp:Label ID="Label1" runat="server" Font-Names="Tahoma" Font-Size="10pt"></asp:Label><br />
<asp:GridView ID="GridView1" runat="server" CellPadding="4" ForeColor="#333333" GridLines="None" DataSourceID="SqlDataSource1" Width="1020px">
<FooterStyle BackColor="#5D7B9D" Font-Bold="True" ForeColor="White" />
<RowStyle BackColor="#F7F6F3" ForeColor="#333333" Font-Names="tahoma" Font-Size="Small" />
<EditRowStyle BackColor="#999999" />
<SelectedRowStyle BackColor="#E2DED6" Font-Bold="True" ForeColor="#333333" />
<PagerStyle BackColor="#284775" ForeColor="White" HorizontalAlign="Center" />
<HeaderStyle BackColor="Indigo" Font-Bold="True" ForeColor="White" Font-Names="tahoma" Font-Size="Small" />
<AlternatingRowStyle BackColor="White" ForeColor="#284775" /></asp:GridView>
<asp:SqlDataSource ID="SqlDataSource1" runat="server" ConnectionString="<%$ ConnectionStrings:CRMConnectionString %>"></asp:SqlDataSource>
</asp:Content>
 

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May 12, 2007

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Dec 7, 2006

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}
 
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Jun 19, 2007

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Jan 15, 2008

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have a code with CASE
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<br />
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<br />
<input id="SearchBox" type="text" /><br />
<asp:Button ID="Button1" runat="server" Text="Please Work..." onclick="Button1_Click"/><br />
<br />
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</asp:GridView>
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SelectCommand="SELECT DISTINCT Category, ID FROM Notes WHERE (UserName LIKE '%' + @UserName + '%') ORDER BY ID DESC">
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Dear Group,
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FROM TimeClock
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How To Pass String Into Sqldatssource Selectcommand?

Mar 13, 2007

Help!  I'm trying to figure out how to pass a string variable to my sqldatasource's "selectcommand" attribute.  I'm trying to construct my SQL dynamically to adjust some things.  My code is something like this, 
<%@ Page Language="VB" AutoEventWireup="false" CodeFile="report.aspx.vb" Inherits="_Default"    EnableEventValidation="false" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><%@ Import Namespace="System.IO" %><html xmlns="http://www.w3.org/1999/xhtml"><head id="Head1" runat="server"></head><body style="font-family: Arial,Verdana; font-size: 8">    <%          Dim selectCommandVar as String = "select column from mytable"    %>
<form runat="server"> <asp:SqlDataSource ID="SqlChild" runat="server" ConnectionString="<%$ ConnectionStrings:mynnectionString %>"        ProviderName="<%$ ConnectionStrings:gmConnectionString.ProviderName %>" selectcommand="selectCommandVar">        </asp:SqlDataSource></form></body></html>
What's the best way to get the contents of my selectCommandVar variable into the SelectCommand attribute of my sqldatasource?  The above syntax doesn't work and I've tried several permutations that do not work either.  The examples of sqldatasource I keep finding have the SQL statement hardcoded in the <asp:sqldatasource> section, which won't work for me.  HELP!

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Sep 15, 2007

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Dim resultsql As String
Public Sub Button_Click(ByVal client As String, ByVal state As String)
Dim dv As String
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dv &= ""
If (StrComp(client, dv) <> 0) Then
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If (StrComp(state, dv) <> 0) Then
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End If
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DataSourceID="SqlDataSource3">
<Columns>
<asp:BoundField DataField="ClientName" HeaderText="ClientName" SortExpression="ClientName" />
<asp:BoundField DataField="Address1" HeaderText="Address1" SortExpression="Address1" />
<asp:BoundField DataField="City" HeaderText="City" SortExpression="City" />
<asp:BoundField DataField="State" HeaderText="State" SortExpression="State" />
</Columns>
</asp:GridView>
<asp:SqlDataSource ID="SqlDataSource3" runat="server" ConnectionString="<%$ ConnectionStrings:SQLConnectionString %>"
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Nov 8, 2007

Hello
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Jan 31, 2008

I'm just getting started with ASP.NET and I've created a query page that displays the user’s results in a gridview.  The user can then edit, delete or sort the results.  I use two text boxes for the user to supply the query criteria (Lname and Year).  The user can provide one, both, or neither items.  When no criteria are supplied the SQL query returns all records (this is the desired result).  Here's the problem.  On the initial load the page returns all records because it is submitting the Selectcommand with the query fields blank.  Can I prevent this from happening on the initial page load but permit it on all other reloads.  I initially removed the Selectcommand from the Gridview and created a codebehind for the query button that submits the query.  The problem with this was that the selectcommand is required for all other gridview operations (i.e. if the user sorts the results or edit a record, when the page reloads no records are displayed in the gridview).  I then started to use codebehind for all possible Gridview events but this got very unwieldy.  Any suggestions would be greatly appreciated. Thanks
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Mar 25, 2008

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