设置控件GridView的列宽及动态创建模板列

protected void Page_Load(object sender,EventArgs e)
{
  InitialGridVew();
  GridView1.OnRowDataBound += GridView1_RowDataBound;
  DataTable table = CreateDataTable();
  GridView1.DataSource = table;
  GridView1.DataBind();
}

protected void InitialGridView()
    {
        BoundField boundField = new BoundField();
        boundField.HeaderText = "Bound Field";
        boundField.DataField = "BoundField";
        this.GridView_table.Columns.Add(boundField);

        ButtonField buttonField = new ButtonField();
        buttonField.ButtonType = ButtonType.Button;
        buttonField.HeaderText = "Button Field";
        buttonField.DataTextField = "ButtonField";
        this.GridView_table.Columns.Add(buttonField);

        CheckBoxField checkBoxField = new CheckBoxField();
        checkBoxField.HeaderText = "CheckBox Field";
        checkBoxField.DataField = "CheckBoxField";
        this.GridView_table.Columns.Add(checkBoxField);

        ImageField imageField = new ImageField();
        imageField.HeaderText = "Image Field";
        imageField.DataImageUrlField = "ImageField";
        this.GridView_table.Columns.Add(imageField);
    }

protected DataTable CreateDataTable()
{
  DataTable table = new DataTable();
        table.Columns.Add(new DataColumn("BoundField", typeof(string)));
        table.Columns.Add(new DataColumn("ButtonField", typeof(string)));
        table.Columns.Add(new DataColumn("CheckBoxField", typeof(bool)));
        table.Columns.Add(new DataColumn("ImageField", typeof(string)));
        for (int i = 0; i < 10; i++)
        {
            DataRow newrow = table.NewRow();
            newrow["BoundField"] = "BoundField" + i.ToString();
            newrow["ButtonField"] = "ButtonField" + i.ToString();
            newrow["CheckBoxField"] = (i % 2 == 0) ? true : false;
            string imageFile = @"resource\home.gif";
            newrow["ImageField"] = imageFile;
            table.Rows.Add(newrow);
        }
        return table;
}

protected void GridView1_RowDataBound(object sender,GridViewRowEventArgs e)
{
  if(e.Row.RowType == DataControlRowType.DataRow)
  {
    e.Row.Cells[0].Width = Unit.Pixel(100);
  }
}