public DataTable GetFirstColumnList(string chId)
{
B_Column column = new B_Column();
DataTable dt = column.GetFirstColumnByChannelId(int.Parse(chId)).ToTable();
return dt;
}
protected void ddlChinel_OnSelectedIndexChanged(object sender, EventArgs e)
{
B_Column bll = new B_Column();
DataView dv = bll.GetFirstColumnByChannelId(int.Parse(ddlChinel.SelectedValue));
lbColumn.DataSource = dv;
lbColumn.DataTextField = "ColName";
lbColumn.DataValueField = "ColId";
lbColumn.DataBind();
}
