How to solve the compiler error CS1061

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MY PROBLEM

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: CS1061: 'ASP.customerregister_aspx' does not contain a definition for 'btnDeleteRecords_Click' and no extension method 'btnDeleteRecords_Click' accepting a first argument of type 'ASP.customerregister_aspx' could be found (are you missing a using directive or an assembly reference?)

Source Error:
Line 358:
Line 359: <%-- <asp:button id="btnDeleteRecord" runat="server" cssclass="YourButtonStyle" onclick="btnDeleteRecord_Click" text="Delete" commandargument="<%# Eval("ID") %>">--%>
Line 360: <asp:button id="btnDeleteRecords" text="Delete Records" onclick="btnDeleteRecords_Click" cssclass="YourButtonStyle" runat="server" onclientclick="javascript: return confirm('Do you want to delete Customer this record?')">
Line 361: Line 362:

DETAILS:

my local machine, it's working perfectly but when I uploaded it to my domain, an error occurred.

What I have tried:

My Code

frontend code /pre>
<pre> <asp:GridView ID="GridView1" Class="myGridClass" runat="server" AutoGenerateColumns="false" HorizontalAlign="Right" PageSize="10"  AllowPaging="true" OnPageIndexChanging="OnPaging" OnRowCommand="GridView1_RowCommand" OnRowDeleting="GridView1_RowDeleting" OnSelectedIndexChanged="GridView1_SelectedIndexChanged" DataKeyNames="ID">
                                    <RowStyle CssClass="gridCSS" />
                                    <AlternatingRowStyle CssClass="gridAlternateCSS" />
                                    <HeaderStyle CssClass="gridCSS" />
                                    <Columns>
										
                                        <asp:BoundField DataField="ID" HeaderText="ID" HeaderStyle-Font-Names="center" HeaderStyle-Font-Size="Small" HeaderStyle-Font-Bold="true" />
                                        <asp:BoundField DataField="CustomerName" HeaderText="Customer Name" HeaderStyle-Width ="100px" HeaderStyle-Font-Names="center" HeaderStyle-Font-Size="Small" HeaderStyle-Font-Bold="true" />
                                        <asp:BoundField DataField="Date" HeaderText="Date" DataFormatString ="{0:dd/MM/yyyy}" HeaderStyle-Font-Names="center" HeaderStyle-Font-Size="Small" HeaderStyle-Font-Bold="true" />
                                        <asp:BoundField DataField="withdepositconnection" HeaderText="With Dep Conn" HeaderStyle-Width ="50px" HeaderStyle-Font-Names="center" HeaderStyle-Font-Size="Small" HeaderStyle-Font-Bold="true" />
                                        <asp:BoundField DataField="zerodepositconnection" HeaderText="Zero Dep Conn" HeaderStyle-Width ="50px" HeaderStyle-Font-Names="center" HeaderStyle-Font-Size="Small" HeaderStyle-Font-Bold="true" />
                                         <asp:BoundField DataField="OpenCylinderbalance" HeaderText="Opn Cyl Bal" HeaderStyle-Width ="50px" HeaderStyle-Font-Names="center" HeaderStyle-Font-Size="Small" HeaderStyle-Font-Bold="true" />
                                        <asp:BoundField DataField="AmountDebit" HeaderText="Debit Amt" HeaderStyle-Font-Names="center" HeaderStyle-Font-Size="Small" HeaderStyle-Font-Bold="true" />
                                        <asp:BoundField DataField="AmountCredit" HeaderText="Credit Amt"  HeaderStyle-Font-Names="center" HeaderStyle-Font-Size="Small" HeaderStyle-Font-Bold="true"/>


                                        <asp:TemplateField HeaderText="Edit Details" ControlStyle-Font-Bold="true" ControlStyle-ForeColor="Black" HeaderStyle-Font-Names="center" HeaderStyle-Font-Size="Small" HeaderStyle-Font-Bold="true">
                                            <ItemTemplate>
                                                <asp:LinkButton ID="lnkview" runat="server" CssClass="gridCSS" ForeColor="green" Font-Bold="true" CommandArgument='<%# Eval("ID") %>' OnClick="lnk_OnClick">Edit</asp:LinkButton>
                                                <%-- <asp:ImageButton ID="ImageButton1"  ImageUrl="~/images/edit-icon.png" runat="server" Width="15" Height="15"  CommandArgument='<%# Eval("ID") %>' OnClick="lnk_OnClick"  CausesValidation="false"/>--%>
                                            </ItemTemplate>
                                        </asp:TemplateField>
                                         <asp:TemplateField HeaderText="Delete" ShowHeader="False"  HeaderStyle-Font-Names="center" HeaderStyle-Font-Size="Small" HeaderStyle-Font-Bold="true">
                    <ItemTemplate>
                        <asp:LinkButton ID="lnkDelete" runat="server" CausesValidation="False"
                            CommandName="Delete" OnClientClick="javascript: return confirm('Do you want to delete Customer this record?')" CommandArgument='<%# Eval("ID") %>' Text="Delete"></asp:LinkButton>
                    </ItemTemplate>
                </asp:TemplateField>
                                    </Columns>
                                   
                                </asp:GridView>

backend code<

protected void GridView1_RowCommand(object sender, GridViewCommandEventArgs e)
     {
         int ID = Convert.ToInt32(e.CommandArgument.ToString());
         if (e.CommandName == "Delete")
         {
             if (sqlCon.State == ConnectionState.Open)
             {
                 sqlCon.Close();
             }
             sqlCon.Open();
             SqlCommand sqlCmd = new SqlCommand();
             sqlCmd.Connection = sqlCon;
             sqlCmd.CommandText = "Delete from CustomerRegistration where ID=" + ID + "";
             sqlCmd.ExecuteNonQuery();
             sqlCmd.Dispose();
             sqlCon.Close();

             GridView1.DataBind();
         }
     }
     protected void GridView1_RowDeleting(object sender, GridViewDeleteEventArgs e)
     {
         //int index = Convert.ToInt32(e.RowIndex);
         //DataTable dt = ViewState["dt"] as DataTable;
         //dt.Rows[index].Delete();
         //ViewState["dt"] = dt;
         //GridView1.DataSource = dtbl;
         GridView1.DataBind();
     }

     protected void GridView1_SelectedIndexChanged(object sender, EventArgs e)
     {

     }

Posted 30-Apr-21 23:03pm

Spini in

Updated 30-Apr-21 23:51pm

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OriginalGriff · Answer 1 · 2021-04-30T23:51:00

You aren't showing us the line that has the error in the context of the other code, or the appropriate methods in your C# code behind, so we can't be specific.

But the error is pretty explicit:

'ASP.customerregister_aspx' does not contain a definition for 'btnDeleteRecords_Click' and no extension method 'btnDeleteRecords_Click' accepting a first argument of type 'ASP.customerregister_aspx' could be found

You have two lines of code with similar structure, one uses btnDeleteRecords_Click and the other btnDeleteRecord_Click - are you sure that one of them isn't misspelled?