Bind textbox by using sqlDataReader by selecting value in Gridview ?

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Hi,

How do I bind textbox by using sqlDataReader by selecting value in Gridview?

* Textbox not in gridview.

My Code is:

C#

protected void GridView2_RowEditing(object sender, GridViewEditEventArgs e)
    {   
        SqlConnection conn = new SqlConnection(ConnString);
        SqlCommand cmd = new SqlCommand("Select  * from Customer where Sr_No='" +   GridView2.EditIndex + "' ", conn);

        conn.Open();
        SqlDataReader reader = cmd.ExecuteReader();
        reader.Read();
        {
            txtCity.Text = reader["City"].ToString();          
            reader.Close();
        }
        conn.Close();     
    }

My HTML Code is:

XML

City : <asp:textbox id="txtCity" runat="server" />
<asp:gridview id="GridView2" runat="server" autogeneratecolumns="False"
AutoGenerateDeleteButton="True"
onrowdeleting="GridView2_RowDeleting" DataKeyNames="Sr_No"
onrowediting="GridView2_RowEditing"
onselectedindexchanged="GridView2_SelectedIndexChanged" >
    <asp:boundfield headertext="Sr_No" datafield="Sr_No"
    <headerstyle forecolor="CadetBlue" />

    <asp:boundfield headertext="City" datafield="City"
    <headerstyle forecolor="CadetBlue" />

    <asp:commandfield showeditbutton="True" showcancelbutton="false" />
<asp:gridview />

Posted 6-May-11 20:22pm

sat_100m

Updated 6-May-11 22:22pm

Dalek Dave

v4

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Comments

Ankur^\m/ 7-May-11 2:31am

[moved from answer]
Mr pawan wrote:
Please add your html code so that
its become clear that where have you added your textbox.

Dalek Dave 7-May-11 4:23am

Minor edits for grammar.

1 solution

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Mahendra.p25 · Accepted Answer · 2011-05-06T21:54:00

try this ..

protected void GridView2_RowEditing(object sender, GridViewEditEventArgs e)
    {   
        SqlConnection conn = new SqlConnection(ConnString);

        int srNo = Convert.ToInt32(GridView1.DataKeys[e.NewEditIndex].Value);
        SqlCommand cmd = new SqlCommand("Select  * from Customer where Sr_No= @SrNo", conn);
        Cmd.parameters.AddwithValue("@SrNo",srNo);
 
        conn.Open();
        SqlDataReader reader = cmd.ExecuteReader();
        reader.Read();
        {
            txtCity.Text = reader["City"].ToString();          
            reader.Close();
        }
        conn.Close();     
    }