Gridview Label Dynamic

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Dear Sir,
I have a doubt in asp.net c# Gridview. When i click a dropdownlist, i select any one of the data,i need to bind selected value to Gridview label control. This process only will happen on (protected void ddlclassification_description_SelectedIndexChanged(object sender, EventArgs e)) this event. Here i pasted my code below.

C#

protected void ddlclassification_description_SelectedIndexChanged(object sender, EventArgs e)
    {
        for (int i = 0; i < gvspec.Rows.Count; i++)
        {
            DropDownList ddlvalue = (DropDownList)gvspec.Rows[i].FindControl("ddlclassification_description");
            Label lblddlclasscode = (Label)gvspec.Rows[i].FindControl("classification_code");       
            string val = ddlvalue.SelectedValue.ToString();
        }
    }

Posted 24-Sep-12 18:20pm

stanly jeba singh

Updated 24-Sep-12 18:21pm

JF2015

v2

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Tadit Dash (ତଡିତ୍ କୁମାର ଦାଶ) 25-Sep-12 1:23am

So what problem you are facing now in the implementation ?

1 solution

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mksharma38 · Answer 1 · 2012-09-25T03:45:00

Following is sample HTML

<asp:gridview id="GridView1" runat="server" showheader="true" autogeneratecolumns="false" xmlns:asp="#unknown">
onrowdatabound="GridView1_RowDataBound">
<columns> <asp:templatefield headertext="ddl_test">
<itemtemplate>
<asp:dropdownlist runat="server" id="ddl_test" autopostback="true">
OnSelectedIndexChanged="ddlTest_SelectedIndexChanged">

<columns> <asp:templatefield headertext="lbl_test">
<itemtemplate>
<asp:label runat="server" id="lbl_test">

Following is sample code behind

DataTable dt;
protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack)
{
GridView1.DataSource = CreateSampleData();
GridView1.DataBind();
}
}

DataTable CreateSampleData()
{
dt = new DataTable();
dt.Columns.Add("Name");
DataRow dr = dt.NewRow();
dr["Name"] = "A";
dt.Rows.Add(dr);

dr = dt.NewRow();
dr["Name"] = "B";
dt.Rows.Add(dr);

dr = dt.NewRow();
dr["Name"] = "C";
dt.Rows.Add(dr);

return dt;
}

protected void GridView1_RowDataBound(object sender, GridViewRowEventArgs e)
{
DropDownList ddl = (DropDownList)(e.Row.FindControl("ddl_test"));
if (ddl != null)
{
ddl.DataSource = dt;
ddl.DataValueField = "Name";
ddl.DataTextField = "Name";
ddl.DataBind();
}
}

protected void ddlTest_SelectedIndexChanged(object sender, EventArgs e)
{
DropDownList ddl = (DropDownList)sender;
GridViewRow row = (GridViewRow)ddl.NamingContainer;
Label lbl = (Label)row.FindControl("lbl_test");
lbl.Text = ddl.SelectedItem.Text;
}