GridView; Alter the Style of GridView Row, Column

Requirment:

1. You have to change the Column into TemplateField

How to alter the style of the Row and Column:

1. At first make the header row in Multi line as well One simplest example:
2. <HeaderTemplate>Line1<br />Line2</HeaderTemplate>
3. Then in order the change the column field width set it inside <ItemTemplate> tag

HTML:

        <asp:TemplateField HeaderText="AdmissionNumber"

            SortExpression="AdmissionNumber">
            <HeaderTemplate>Admission <br /> Number</HeaderTemplate>

            <EditItemTemplate>

                <asp:Label ID="Label1" runat="server" Text='<%# Eval("AdmissionNumber") %>' 
                   ></asp:Label>

            </EditItemTemplate>

            <ItemTemplate>

                <asp:Label ID="Label1" runat="server" Text='<%# Bind("AdmissionNumber") %>'

                    Width="30px" Height="19px" BackColor="#FFCCFF"></asp:Label>

            </ItemTemplate>

        </asp:TemplateField>