how to enter the string value in a particular cell of DataGrid in WPF

Hello Guys , 开发者_StackOverflow中文版 how to enter the string value in a particular cell of DataGrid in WPF . Thanks in advance.

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we can do it this way

void OurGrdEditEnding(object sender, DataGridRowEditEndingEventArgs e)
 {

       DataRowView dRowView = e.Row.Item as DataRowView;
       string sName = dRowView.Row["columnName"].ToString();
 }