使用gridview单击按钮时出现以下错误
Server Error in '/' Application.
Invalid postback or callback argument. Event validation is enabled using <pages enableEventValidation="true"/> in configuration or <%@ Page EnableEventValidation="true" %> in a page. For security purposes, this feature verifies that arguments to postback or callback events originate from the server control that originally rendered them. If the data is valid and expected, use the ClientScriptManager.RegisterForEventValidation method in order to register the postback or callback data for validation.
Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.
Exception Details: System.ArgumentException: Invalid postback or callback argument. Event validation is enabled using <pages enableEventValidation="true"/> in configuration or <%@ Page EnableEventValidation="true" %> in a page. For security purposes, this feature verifies that arguments to postback or callback events originate from the server control that originally rendered them. If the data is valid and expected, use the ClientScriptManager.RegisterForEventValidation method in order to register the postback or callback data for validation.
Source Error:
An unhandled exception was generated during the execution of the current web request. Information regarding the origin and location of the exception can be identified using the exception stack trace below.
Stack Trace:
[ArgumentException: Invalid postback or callback argument. Event validation is enabled using <pages enableEventValidation="true"/> in configuration or <%@ Page EnableEventValidation="true" %> in a page. For security purposes, this feature verifies that arguments to postback or callback events originate from the server control that originally rendered them. If the data is valid and expected, use the ClientScriptManager.RegisterForEventValidation method in order to register the postback or callback data for validation.]
System.Web.UI.ClientScriptManager.ValidateEvent(String uniqueId, String argument) +144
System.Web.UI.Control.ValidateEvent(String uniqueID, String eventArgument) +111
System.Web.UI.WebControls.Button.RaisePostBackEvent(String eventArgument) +29
System.Web.UI.WebControls.Button.System.Web.UI.IPostBackEventHandler.RaisePostBackEvent(String eventArgument) +10
System.Web.UI.Page.RaisePostBackEvent(IPostBackEventHandler sourceControl, String eventArgument) +13
System.Web.UI.Page.RaisePostBackEvent(NameValueCollection postData) +35
System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +1724
Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.0.30319.17929
当我在gridview中按下一个按钮时会发生这种情况,奇怪的是我有另一个gridview,在运行不同代码的列中也有自定义按钮,但没有给出错误。下面是页面的代码和代码隐藏。
namespace CCCC
{
public partial class drivermangement : System.Web.UI.MasterPage
{
protected void Page_Load(object sender, EventArgs e)
{
if (System.Web.HttpContext.Current.User.Identity.IsAuthenticated)
{
if (Roles.IsUserInRole("Administrator"))
{
LoggedInUser.Value = Convert.ToString(Request.QueryString["driver"]);
}
else
{
LoggedInUser.Value = Membership.GetUser().UserName.ToString();
}
DayOfTheWeekHiddenField.Value = Convert.ToString(Request.QueryString["dow"]);
}
else
{
Response.Redirect("default.aspx");
}
if (NewCustomersGrid.Rows.Count == 0)
{
NewCustomersLabel.Visible = false;
}
else
{
NewCustomersLabel.Visible = true;
}
if (NeedCompostGrid.Rows.Count == 0)
{
NeedCompostLabel.Visible = false;
}
else
{
NeedCompostLabel.Visible = true;
}
if (CanceledGrid.Rows.Count == 0)
{
CanceledLabel.Visible = false;
}
else
{
CanceledLabel.Visible = true;
}
if (VacationGrid.Rows.Count == 0)
{
VacationLabel.Visible = false;
}
else
{
VacationLabel.Visible = true;
}
if (NewCustomersGrid0.Rows.Count == 0)
{
NewCustomersLabel0.Visible = false;
}
else
{
NewCustomersLabel0.Visible = true;
}
if (NeedCompostGrid0.Rows.Count == 0)
{
NeedCompostLabel0.Visible = false;
}
else
{
NeedCompostLabel0.Visible = true;
}
if (CanceledGrid0.Rows.Count == 0)
{
CanceledLabel0.Visible = false;
}
else
{
CanceledLabel0.Visible = true;
}
}
protected void NewCustomerDoneButton_Click(object sender, EventArgs e)
{
int CustomerID = Convert.ToInt32(((Button)sender).CommandArgument);
string CustomerBinNeedAcknowledged = "Yes";
string strConnString = "Data Source";
using (SqlConnection con = new SqlConnection(strConnString))
{
using (SqlCommand cmd = new SqlCommand())
{
cmd.Connection = con;
cmd.CommandType = CommandType.Text;
cmd.CommandText = "UPDATE Customers SET CustomerBinNeedAcknowledged=@CustomerBinNeedAcknowledged WHERE CustomerID=@CustomerID";
cmd.Parameters.AddWithValue("@CustomerBinNeedAcknowledged", CustomerBinNeedAcknowledged);
cmd.Parameters.AddWithValue("@CustomerId", CustomerID);
con.Open();
cmd.ExecuteNonQuery();
con.Close();
}
}
}
和实际页面:
<%@ Master Language="C#" MasterPageFile="~/Site.Master" AutoEventWireup="true" Inherits="CCCCCC.drivermangement" CodeBehind="drivermangement.master.cs" %>
<asp:Content ID="Content1" ContentPlaceHolderID="HeadContent" runat="server">
</asp:Content>
<asp:Content ID="Content2" ContentPlaceHolderID="MainContent" runat="server">
<asp:HiddenField ID="LoggedInUser" runat="server" />
<asp:HiddenField ID="DayOfTheWeekHiddenField" runat="server" />
<ajaxToolkit:TabContainer ID="RoutingTabs" runat="server" ActiveTabIndex="0"
Width="900px">
<ajaxToolkit:TabPanel runat="server" HeaderText="Pre-Route" ID="PreRouteTab">
<ContentTemplate>
<br />
<asp:Label ID="NewCustomersLabel" runat="server"
style="font-weight: 700; font-size: large; color: #009933" Text="New Customers"></asp:Label>
<asp:GridView ID="NewCustomersGrid" runat="server" AllowPaging="True" AutoGenerateColumns="False" BackColor="White"
BorderColor="#999999" BorderStyle="Solid" BorderWidth="1px" CellPadding="3"
DataKeyNames="CustomerId" DataSourceID="NewCustomers" ForeColor="Black"
GridLines="Vertical">
<AlternatingRowStyle BackColor="#99FF99" ></AlternatingRowStyle>
<Columns>
<asp:BoundField DataField="CustomerFullName" HeaderText="Name"
SortExpression="CustomerFullName" />
<asp:BoundField DataField="CustomerFullAddress" HeaderText="Address"
SortExpression="CustomerFullAddress" />
<asp:BoundField DataField="CustomerNeedsBin" HeaderText="Needs Bin?"
SortExpression="CustomerNeedsBin" />
<asp:TemplateField ShowHeader="False"><ItemTemplate>
<asp:Button ID="NewCustomerDoneButton" runat="server" CommandName=""
Text="Done" CommandArgument='<%# Eval("CustomerID") %>' OnClick="NewCustomerDoneButton_Click" CausesValidation="False" />
</ItemTemplate>
</asp:TemplateField>
</Columns>
<asp:SqlDataSource ID="NewCustomers" runat="server"
ConnectionString="<%$ ConnectionStrings:tcc_customersConnectionString %>"
SelectCommand="SELECT [CustomerId], [CustomerStatus], [CustomerFullName], [CompanyName], [CustomerFullAddress], [CustomerPickUpDay], [CustomerPickUpDay2], [CustomerDriver], [CustomerNeedsBin], [CustomerBinNeedAcknowledged] FROM [Customers] WHERE (([CustomerBinNeedAcknowledged] = @CustomerBinNeedAcknowledged) AND ([CustomerNeedsBin] = @CustomerNeedsBin) AND ([CustomerDriver] = @CustomerDriver) AND ([CustomerStatus] = @CustomerStatus) AND ([CustomerPickUpDay] = @CustomerPickUpDay OR [CustomerPickUpDay2] = @CustomerPickUpDay2))"><SelectParameters>
<asp:Parameter DefaultValue="No" Name="CustomerBinNeedAcknowledged" Type="String" />
<asp:Parameter DefaultValue="Yes" Name="CustomerNeedsBin" Type="String" />
<asp:ControlParameter ControlID="LoggedInUser" Name="CustomerDriver"
PropertyName="Value" Type="String"></asp:ControlParameter>
<asp:Parameter DefaultValue="New" Name="CustomerStatus" Type="String" />
<asp:ControlParameter ControlID="DayOfTheWeekHiddenField" Name="CustomerPickUpDay"
PropertyName="Value" Type="String" ></asp:ControlParameter>
<asp:ControlParameter ControlID="DayOfTheWeekHiddenField"
Name="CustomerPickUpDay2" PropertyName="Value" Type="String" />
</SelectParameters>
</asp:SqlDataSource>
</ContentTemplate>
</ajaxToolkit:TabPanel>
<ajaxToolkit:TabPanel runat="server" HeaderText="Post-Route" ID="PostRouteTab"><ContentTemplate>
我现在想知道,这与 in 在GridView
里面有什么关系Ajax Tab Container
吗?因为我的另一张工作正常的桌子不是......
注意:由于字符限制,不得不从页面中删除一些代码