The code programmatically creates template columns for a Telerik RadGrid. It defines a template column with a custom template class that contains controls like a textbox, validator, and hyperlink. It also defines a bound column. The columns are added to the grid and the template instantiates the controls in the column and binds events for data binding. The result is a grid with one template column and one bound column that allows editing in the template column.

1. 8/31/15 | Code Bloger
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Wednesday, February 22, 2012
Creating template columns programmatically for Telerik Rad
Grid
protected void Page_Init(object sender, EventArgs e)
{
RadGrid grid = new RadGrid();
grid.AutoGenerateColumns = false;
grid.DataSourceID = "SqlDataSource1";
string templateColumnName = "ContactName";
GridTemplateColumn templateColumn = new GridTemplateColumn();
templateColumn.ItemTemplate = new MyTemplate(templateColumnName);
templateColumn.HeaderText = templateColumnName;
GridBoundColumn boundColumn1 = new GridBoundColumn();
boundColumn1.DataField = "ContactName";
boundColumn1.UniqueName = "ConactName";
boundColumn1.HeaderText = "Bound Column";
grid.MasterTableView.Columns.Add(templateColumn);
grid.MasterTableView.Columns.Add(boundColumn1);
grid.AllowPaging = true;
grid.PageSize = 3;
grid.Skin = "Outlook";
PlaceHolder1.Controls.Add(grid);
}
private class MyTemplate : ITemplate
{
protected LiteralControl lControl;
protected RequiredFieldValidator validatorTextBox;
protected HyperLink searchGoogle;
protected TextBox textBox;
protected CheckBox boolValue;
private string colname;
public MyTemplate(string cName)
{
colname = cName;
}
public void InstantiateIn(System.Web.UI.Control container)
{
lControl = new LiteralControl();
lControl.ID = "lControl";
lControl.DataBinding += new EventHandler(lControl_DataBinding);
textBox = new TextBox();
textBox.ID = "templateColumnTextBox";
validatorTextBox = new RequiredFieldValidator();
validatorTextBox.ControlToValidate = "templateColumnTextBox";
validatorTextBox.ErrorMessage = "*";
searchGoogle = new HyperLink();
searchGoogle.ID = "searchGoogle";
searchGoogle.DataBinding += new EventHandler(searchGoogle_DataBinding);
boolValue = new CheckBox();
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/*First, solve the problem. Then, write the code*/
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2. 8/31/15 | Code Bloger
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boolValue.ID = "boolValue";
boolValue.DataBinding += new EventHandler(boolValue_DataBinding);
boolValue.Enabled = false;
Table table = new Table();
TableRow row1 = new TableRow();
TableRow row2 = new TableRow();
TableCell cell11 = new TableCell();
TableCell cell12 = new TableCell();
TableCell cell21 = new TableCell();
TableCell cell22 = new TableCell();
row1.Cells.Add(cell11);
row1.Cells.Add(cell12);
row2.Cells.Add(cell21);
row2.Cells.Add(cell22);
table.Rows.Add(row1);
table.Rows.Add(row2);
cell11.Text = colname + ": ";
cell12.Controls.Add(lControl);
cell21.Text = "Search Google for: ";
cell22.Controls.Add(searchGoogle);
container.Controls.Add(textBox);
container.Controls.Add(validatorTextBox);
container.Controls.Add(table);
container.Controls.Add(new LiteralControl("
"));
container.Controls.Add(boolValue);
}
void boolValue_DataBinding(object sender, EventArgs e)
{
CheckBox cBox = (CheckBox)sender;
GridDataItem container = (GridDataItem)cBox.NamingContainer;
cBox.Checked = (bool)((DataRowView)container.DataItem)["Bool"];
}
void searchGoogle_DataBinding(object sender, EventArgs e)
{
HyperLink link = (HyperLink)sender;
GridDataItem container = (GridDataItem)link.NamingContainer;
link.Text = ((DataRowView)container.DataItem)[colname].ToString();
link.NavigateUrl = "http://www.google.com/search?hl=en&q=" + ((DataRowView)cont
ainer.DataItem)["ContactName"].ToString() + "&btnG=Google+Search";
}
public void lControl_DataBinding(object sender, EventArgs e)
{
LiteralControl l = (LiteralControl)sender;
GridDataItem container = (GridDataItem)l.NamingContainer;
l.Text = ((DataRowView)container.DataItem)[colname].ToString() + "
";
}
}
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3. 8/31/15 | Code Bloger
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