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ASP.net VB.net Code to recreate/copy an existing GridView

Hi

I have a GridView on an ASP.net page that I need to copy a few times, and add different data sources to the copies. What VB.net code would I use to do this?
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Murray Brown
Asked:
Murray Brown
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2 Solutions
 
CodeCruiserCommented:
Copy and paste the aspx code and change the datasource properties?
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XGISCommented:
Hello murbro,

If you are using a SQLDatasource and declaring this data on your ASPX page the following should be possible.  No need for "code-behind".  Not 100% professional but it works fine.

GridView1
<asp:SqlDataSource ID="SqlDataSource1" runat="server" 
ConnectionString="<%$Connectionstrings:ERPConnectionString%>"
SelectCommand="SELECT * FROM AccountsTable">
</asp:SqlDataSource>  
<asp:GridView ID="GridView1"  DataSourceID="SqlDataSource1"  
AutoGenerateColumns="true" runat="server">
</asp:GridView>

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GridView2
<asp:SqlDataSource ID="SqlDataSource2" runat="server" 
ConnectionString="<%$Connectionstrings:ERPConnectionString%>"
SelectCommand="SELECT * FROM Customers">
</asp:SqlDataSource>  
<asp:GridView ID="GridView2"  DataSourceID="SqlDataSource2"  
AutoGenerateColumns="true" runat="server">
</asp:GridView>

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Murray BrownMicrosoft Cloud Azure/Excel Solution DeveloperAuthor Commented:
Hi. Thanks. I need to do this dynamically using VB.net code
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CodeCruiserCommented:
Gridview does not have a Clone or Copy method so it would have to be done by creating the GridView control, defining its columns and setting its datasource and then adding it to the page.

Partial example here

http://www.highoncoding.com/Articles/88_Dynamically_Creating_Bound_and_Template_Columns_in_GridView.aspx
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XGISCommented:
Hello Murbro.. pls note your ? has now changed
otherwise you would only need to change the
"SELECT * FROM TableName" to make copies with different data displaying.

eg "SELECT Name, Address FROM TableName"
eg "SELECT ID, Postcode FROM TableName"

The grids will only display what you ask them to, and the fields generate dynamically

The alternative to get different displays by defining filter fields in the gridview, which again could be done without any code.. vb or c#

The only difference now based on your new requirement is to remove the data source from the front page and place it in code behind which will mostly increase code complexity and cause learning downtime, but yield a faster more secure result.

A button based event may be a good implementation as each button could reference a different datasource variant. eg Show Names or Show Postcodes

private void button1_Click(object sender, EventArgs e)
        {
            DataGridView grd = new DataGridView();
            Point pt = new Point(0, 0);
            grd.RowCount = 2;
            grd.ColumnCount = 2;
            grd.Location = pt;
            grd.Visible = true;
            this.Controls.Add(grd);
        }

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otherwise this example may help

else this approach may be what you are after
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Murray BrownMicrosoft Cloud Azure/Excel Solution DeveloperAuthor Commented:
If I have a style for a GridView in my style sheet can I programatically apply this style to a GridView that I have added programatically
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CodeCruiserCommented:
Yes you can set the CssClass property

http://msdn.microsoft.com/en-us/library/system.web.ui.webcontrols.webcontrol.cssclass(v=vs.110).aspx


Is this style at the top level of the gridview?
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Murray BrownMicrosoft Cloud Azure/Excel Solution DeveloperAuthor Commented:
Thanks very much for the help
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XGISCommented:
? Seriously... There is no VB .net code referred to in this page? let alone the 1st suggestion that solves the question and the 2nd suggestion shows demonstrated examples.. as for the CSS question it is unrelated to the original question... just saying thats all.
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Murray BrownMicrosoft Cloud Azure/Excel Solution DeveloperAuthor Commented:
The following was stated clearly in my original question: "What VB.net code would I use to do this?"
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