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copied!<p>I think u are trying to hide column based on column title so please try following code,</p> <pre><code>// Code snippet to hide columns from a gridview named 'gvEmployees' gvEmployees.DataSource = dvItems.ToTable(); gvEmployees.DataBind(); string name = "First Name";// Column name supposed to hide foreach (var col in gvEmployees.Columns) { if (col.Text.ToLower().Trim() == name.ToLower().Trim()) { // hiding the column from the grid view. col.Visible = false; } } </code></pre> <h2>Update</h2> <p>you can also write following code:</p> <pre><code>string name = "First Name";// Column name supposed to hide for (int i = 0; i < gvEmployees.Columns.Count; i++) { if (gvEmployees.Columns[i].Text.ToLower().Trim() == name.ToLower().Trim()) { gvEmployees.Columns[i].Visible = false; } } </code></pre> <h2>Update when using auto generated columns (for single-column version),</h2> <p>You need to use the rowdatabound event and hide the cell (column) when the row is bound.</p> <pre><code>int index = 0; bool hidden = false; protected void gvEmployees_RowDataBound(object sender, System.Web.UI.WebControls.GridViewRowEventArgs e) { if(hidden) { e.Row.Cells[index].Visible = false; return; } string name = "First Name";// Column name supposed to hide for (int i = 0; i < e.Row.Cells.Count; i++) { if (e.Row.Cells[i].Text.ToLower().Trim() == name.ToLower().Trim()) { e.Row.Cells[i].Visible = false; hidden = true; index = i; break; } } } </code></pre> <h2>Update when using auto generated columns, (for multi-column version)</h2> <p>Using the rowdatabound event and hide the cell (column) when the row is bound.</p> <pre><code>List<int> indexes = new List<int>(); bool hidden = false; List<string> names = new List<string>(); protected void gvEmployees_RowDataBound(object sender, System.Web.UI.WebControls.GridViewRowEventArgs e) { if(hidden) { foreach(int index in indexes) { e.Row.Cells[index].Visible = false; } } // start - Column names supposed to hide // Building the list of column names to be hidden. names.Add("First Name"); names.Add("Last Name"); names.Add("Address"); names.Add("ID"); // end - Column names supposed to hide for (int i = 0; i < e.Row.Cells.Count; i++) { if (names.Contains(e.Row.Cells[i].Text.ToLower().Trim()) { e.Row.Cells[i].Visible = false; hidden = true; indexes.Add(i); } } } </code></pre>

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