SelectedIndexChange Onclick Not Works

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C#

ASP.NET

I have GridView and i make Selection onclick that when i click on row it is selecting some info but this onclick is working on Edit Too So can you help How i disable it on Edit Form?

if (e.Row.RowType == DataControlRowType.DataRow)
{
    e.Row.Attributes["onclick"] = Page.ClientScript.GetPostBackClientHyperlink(GridView1, "Select$" + e.Row.RowIndex);
    e.Row.ToolTip = "Click to select this row.";
}

protected void GridView1_SelectedIndexChanged1(object sender, EventArgs e)
 {
     foreach (GridViewRow row in GridView1.Rows)
     {
         if (row.RowIndex == GridView1.SelectedIndex) {
         TABLEzemota.Visible = true;

         sachvnebeli.Text = (row.FindControl("Label4") as Label).Text;
         checka.Checked = (row.FindControl("CheckBox1") as CheckBox).Checked;
         addState.Text = (row.FindControl("Label6") as Label).Text;
         AddSach.Text = (row.FindControl("Label9") as Label).Text;
         addnote.Text = (row.FindControl("Label17") as Label).Text;

         }
         else
         {
             row.BackColor = ColorTranslator.FromHtml("#FFFFFF");
             row.ToolTip = "Click to select this row.";
         }
     }

i use this one