How to set and control the column width of DataGrid in C #

1, new build a DataGridTableStyle

DataGridtablestyle DTStyle = New DataGridTableLele ();

2, bind data source

DTStyle.mappingName = TableName;

3, set

Dg.TablesTyles.clear ();

Dg.TablesTyles.Add (DTStyle);

Dg.TablesTyles [TableName] .gridColumnStyles [colorcname] .width = 200;