I want to make Cell as readonly

[paritosh upmanyu via .NET 247]

I am using Datagrid Control for window based application, I want to make Cell as readonly for particular Rows not for all. if I used GridColumnstyle readonly property then it makes whole column as readonly and events doesnt fires like currentcellchanged or keypress so i cannot do anything on these events.
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From: paritosh upmanyu

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Posted by a user from .NET 247 (http://www.dotnet247.com/)

<Id>MAVhROfBvEinTEDWXh+tlw==</Id>

[ClayB [Syncfusion]]

Here is code that made cell 2,2 readonly for me. The idea is to subscribe to
the key events in the TextBox control in the DataGridTextBoxColumn.

// in formload
DataGridTableStyle ts = new DataGridTableStyle();
ts.MappingName = "MyTable";
this.dataGrid1.TableStyles.Add(ts);

this.dataGrid1.DataSource = dt;

DataGridTextBoxColumn tbc = ts.GridColumnStyles[2] as DataGridTextBoxColumn;
tbc.TextBox.KeyPress += new KeyPressEventHandler(TextBox_KeyPress);
tbc.TextBox.KeyDown += new KeyEventHandler(TextBox_KeyDown);

//the handlers
private void TextBox_KeyPress(object sender, KeyPressEventArgs e)
{
if(this.dataGrid1.CurrentRowIndex == 2)
e.Handled = true;
}

private void TextBox_KeyDown(object sender, KeyEventArgs e)
{
if(this.dataGrid1.CurrentRowIndex == 2 && e.KeyCode == Keys.Delete)
e.Handled = true;
}

==============================
Clay Burch, .NET MVP

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