<asp:GridView ID="GridView1" runat="server" AutoGenerateColumns
= "false" Font-Names = "Arial" >
<Columns>
<asp:ImageField DataImageUrlField=" imagepath " ControlStyle-Width="100" ControlStyle-Height
= "100"
HeaderText = "Preview Image"/>
</Columns>
</asp:GridView>
DataTable dt
= new DataTable();
String
strConnString = "your connectionsting";
string
strQuery = "select imagepath from table1";
SqlConnection
con = new SqlConnection(strConnString);
SqlCommand
cmd = new SqlCommand(strQuery,con);
SqlDataAdapter
sda = new SqlDataAdapter();
con.Open();
sda.SelectCommand = cmd;
sda.Fill(dt);
GridView1.DataSource = dt;
GridView1.DataBind();
con.Close();