I'm getting the following error
Server Error Application.
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Compilation Error
Description: An error occurred during the compilation of a resource required to service this request. Please review the following specific error details and modify your source code appropriately.

Compiler Error Message: CS1502: The best overloaded method match for '_Default.NoOfCustomers(string)' has some invalid arguments

Source Error:



Line 130: <asp:TemplateField HeaderText="No. of Customers to be approved">
Line 131: <ItemTemplate>
Line 132: <asp:HyperLink ID="hlNoOfCustomers" runat="server" Text='<%# NoOfCustomers(Eval("Reseller"))%>' />



below is the gridview code

<asp:GridView ID="GridView1" runat="server" AutoGenerateColumns="False"
                                          DataSourceID="SqlDataSource2">
                                          <Columns>

                                              <asp:BoundField DataField="Reseller" HeaderText="Reseller" SortExpression="Reseller" />
                                                                                            <asp:TemplateField HeaderText="No. of Customers to be approved">
                                                  <ItemTemplate>
                                                   <asp:HyperLink ID="hlNoOfCustomers" runat="server" Text='<%# NoOfCustomers(Eval("Reseller"))%>' />

                                                </ItemTemplate>
                                              </asp:TemplateField>

                                          </Columns>
                                      </asp:GridView>
                                      <asp:SqlDataSource ID="SqlDataSource2" runat="server" ConnectionString="<%$ ConnectionStrings:GoyamSEOConnectionString %>"
                                          SelectCommand="SELECT distinct Reseller FROM [ResellersCustomer] WHERE ([Approved] = @Approved)">
                                          <SelectParameters>
                                              <asp:Parameter DefaultValue="false" Name="Approved" Type="Boolean" />
                                          </SelectParameters>
                                      </asp:SqlDataSource>

below is the function
public int NoOfCustomers(string ResellerName)
    {
        string dsn = ConfigurationManager.ConnectionStrings["MySqlConnection"].ConnectionString.ToString();
        using (sqlCon = new SqlConnection(dsn))
        {
            string sqlSelect = "select count(*) from resellerscustomer where reseller='" + ResellerName + "' and approved =0";
            sqlComm = new SqlCommand(sqlSelect, sqlCon);
            sqlCon.Open();
            int NoOfCustomers = (int)sqlComm.ExecuteScalar();
            return NoOfCustomers;
        }
    }

any soln?