How to modify one field in grid view

See more:

C#

ASP.NET

i have below code for the grid view. i want to modify / delete status field in the grid view. i have enabled AutoGenerateDeleteButton="True" AutoGenerateEditButton="True">. Please let me know what code is required in cs file

What I have tried:

below is the grid view coede

<asp:GridView ID="GridView1" runat="server" AutoGenerateColumns="False"
DataKeyNames="serial_no" DataSourceID="SqlDataSource1" AllowPaging="True"
AutoGenerateDeleteButton="True" AutoGenerateEditButton="True">
<columns>
<asp:BoundField DataField="serial_no" HeaderText="serial_no"
InsertVisible="False" ReadOnly="True" SortExpression="serial_no" />
<asp:BoundField DataField="internal_receiving" HeaderText="internal_receiving"
SortExpression="internal_receiving" />
<asp:BoundField DataField="date" HeaderText="date" SortExpression="date" />
<asp:BoundField DataField="department" HeaderText="department"
SortExpression="department" />
<asp:BoundField DataField="department_type" HeaderText="department_type"
SortExpression="department_type" />
<asp:BoundField DataField="organization" HeaderText="organization"
SortExpression="organization" />
<asp:BoundField DataField="organization_type" HeaderText="organization_type"
SortExpression="organization_type" />
<asp:BoundField DataField="file_no" HeaderText="file_no"
SortExpression="file_no" />
<asp:BoundField DataField="subject" HeaderText="subject"
SortExpression="subject" />
<asp:BoundField DataField="file_name" HeaderText="file_name"
SortExpression="file_name" />
<asp:BoundField DataField="status" HeaderText="status"
SortExpression="status" />