Setting Textbox from gridview click

I want to fill a textbox when the user clicks a row in the Gridview. I have it working but I took the very long way.

1      Protected Sub QuibGV_RowCommand(ByVal sender As Object, ByVal e As System.Web.UI.WebControls.GridViewCommandEventArgs) Handles QuibGV.RowCommand
2    
3            Try
4    
5    
6                If e.CommandName = "Select" Then
7    
8                    Dim myGV As GridView = sender
9                    Dim UserNameLabel As HiddenField = CType(myGV.Rows(e.CommandArgument).FindControl("UserLink"), HiddenField)
10   
11                   Dim sUserName As String
12                   sUserName = UserNameLabel.Value
13   
14                   Dim QuibTB As TextBox = CType(QuibTextUpdate.FindControl("QuibTextBox"), TextBox)
15   
16                   QuibTB.Text = "@" & sUserName
17   
18               End If
19   
20           Catch ex As Exception
21   
22               Admin_LogFileOps.WriteTransElement("Error creating @Quib 200 " & ex.ToString, 1, "Error.txt")
23   
24           End Try
25   
26       End Sub

1    Protected Sub QuibGV_RowDataBound(ByVal sender As Object, ByVal e As System.Web.UI.WebControls.GridViewRowEventArgs) Handles QuibGV.RowDataBound
2    
3            If e.Row.RowType = DataControlRowType.DataRow Then
4    
5                Try
6    
7                    If e.Row.RowType = DataControlRowType.DataRow Then
8    
9                        'e.Row.Attributes.Add("onmouseover", "this.originalstyle=this.style.backgroundColor;this.style.backgroundColor='#FFF972'")
10                       '// when mouse leaves the row, change the bg color to its original value   
11                       'e.Row.Attributes.Add("onmouseout", "this.style.backgroundColor=this.originalstyle;")
12   
13                       e.Row.Attributes.Add("onclick", Page.ClientScript.GetPostBackEventReference(sender, "Select$" + e.Row.RowIndex.ToString))
14   
15                   End If
16   
17               Catch ex As Exception
18   
19                   Admin_LogFileOps.WriteTransElement("Error setting @Quib onclick quib 200 ", 1, "Error.txt")
20   
21               End Try
22   
23   
24           End If

So when a user clicks the gridview it fills a text box with a value from the clicked row. Some of you must find this funny how I took the very long road :) I am sure all I need is  this ->

e.Row.Attributes.Add("onclick", Page.ClientScript.GetPostBackEventReference(sender, "Select$" + e.Row.RowIndex.ToString))  but I don't know the syntax.

abev

4/29/2009 6:30:30 PM

asp.net.client-side

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If the TextBox is in a different control then you can do this

Protected Sub QuibGV_RowCommand(ByVal sender As Object, ByVal e As System.Web.UI.WebControls.GridViewCommandEventArgs) Handles QuibGV.RowCommand
    Select Case e.CommandName
        Case "Select"
            Dim gv as GridView = CType(sender, GridView)
            Dim hidUser As HiddenField = CType(gv.SelectedRow.FindControl("UserLink"), HiddenField)
            Dim QuibTb As TextBox = CType(QuibTextUpdate.FindControl("QuibTextBox"), TextBox)
            QuibTb.Text = "@" & HidUser.Value.ToString()
        Edit Select
    End Select
End Sub

Otherwise if it is not in a control just assign it to me.textbox1.text

Remember to mark as answer if this post answered your question.

b471code3

4/30/2009 1:12:43 AM

 b471 thank for the tidier code. It works but the function of it is not acting like I want it. Not b/c of your code, but maybe by design. Here's the whole proces: Users make comments that get displayed in a gridview. I a user wants to respond to another user he clicks the grid view row and '@user' is automatically inserted in to the comment textbox. The trouble is (I think) that the gridview is behind an update panel so when you click the gridview row there is a least a 2 to 3 second delay before the user name is inserted in to the textbox. It's almost like a postback - but I dont want that. I want the name to appear instantly client side.

abev

4/30/2009 5:15:02 PM

Hello abev
 
The facing needs can be achieve by JavaScript, please try the following demo, which works fine on our lab:
   
<%@ Page Language="C#" %>

<%@ Import Namespace="System.Data" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<script runat="server">

    protected void Page_Load(object sender, EventArgs e)
    {
        DataTable dt = new DataTable();
        dt.Columns.Add("name", typeof(string));
        dt.Columns.Add("comment", typeof(string));

        DataRow nrow = dt.NewRow();
        nrow[0] = "Lance";
        nrow[1] = "Hello World";

        dt.Rows.Add(nrow);

        nrow = dt.NewRow();
        nrow[0] = "Carol";
        nrow[1] = "Hello Lance";

        dt.Rows.Add(nrow);

        this.GridView1.DataSource = dt;
        this.GridView1.DataBind();

    }

    protected void GridView1_RowDataBound(object sender, GridViewRowEventArgs e)
    {
        if (e.Row.RowType == DataControlRowType.DataRow)
        {
            e.Row.Attributes.Add("onclick", "comment('"+e.Row.Cells[0].Text +"');");
        }
    }
</script>

<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
    <title></title>

    <script type="text/javascript">

        function comment(name) {
            document.getElementById("<%=TextBox1.ClientID %>").value = "@" + name;
        }
    
    </script>

</head>
<body>
    <form id="form1" runat="server">
    <div>
        <asp:ScriptManager ID="ScriptManager1" runat="server" />
    </div>
    <asp:GridView ID="GridView1" runat="server" OnRowDataBound="GridView1_RowDataBound">
    </asp:GridView>
    <asp:TextBox ID="TextBox1" runat="server" Height="158px" TextMode="MultiLine" Width="345px"></asp:TextBox>
    </form>
</body>
</html>
 
Thanks.

 
Lance Zhang
Microsoft Online Community Support

Please remember to mark the replies as answers if they help and unmark them if they provide no help.

Lance

5/5/2009 5:46:55 AM

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