Web Forms :: Page Clears User Choices After Postback With Internet Explorer
May 26, 2010
Alright, I am completely baffled by this one. When filling out this page in IE8, it will SOMETIMES clear all entered data (including radio choices) when you select Yes, No, or Not sure (line 892 in the code). This is a postback question, as it should potentially show more questions. This problem does not happen in any other browser, and rarely in IE8. I have no idea what is causing it, the code I am using has been used in similar applications and I can't find any change which results in this behavior.
The full code can be found here: http://pastebin.com/a12cPzyF
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Jun 5, 2015
At my work I have 2 logins, my main login "mike", and another one that we use to login into servers to manage applications, user "tech_mike"
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Now when I want to test the application from my computer (user logged in "mike"), in the browser I type the link to the app [URL] and it tells me that I am not authorized. In the logs I can see that it is trying to login as "tech_mike", even though the user that I am logged in from my computer is "mike".
If I try to open the app on my local machine (local IIS), it is using the correct user "mike"
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[Code]....
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Sep 28, 2010
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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:
[FormatException: Invalid character in a Base-64 string.]
System.Convert.FromBase64String(String s) +0
System.Web.UI.ObjectStateFormatter.Deserialize(String inputString) +102
System.Web.UI.Util.DeserializeWithAssert(IStateFormatter formatter, String serializedState) +59
System.Web.UI.HiddenFieldPageStatePersister.Load() +124
[ViewStateException: Invalid viewstate.
Client IP: 182.72.17.210
Port: 54486
User-Agent: Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.1; Trident/4.0; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; Media Center PC 6.0; InfoPath.1; .NET4.0C)
ViewState: 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...]
[HttpException (0x80004005): The state information is invalid for this page and might be corrupted.]
System.Web.UI.ViewStateException.ThrowError(Exception inner, String persistedState, String errorPageMessage, Boolean macValidationError) +148
System.Web.UI.HiddenFieldPageStatePersister.Load() +10956310
System.Web.UI.Page.LoadPageStateFromPersistenceMedium() +11040040
System.Web.UI.Page.LoadAllState() +46
System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +11035559
System.Web.UI.Page.ProcessRequest(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +11035098
System.Web.UI.Page.ProcessRequest() +91
System.Web.UI.Page.ProcessRequest(HttpContext context) +240
ASP.default_aspx.ProcessRequest(HttpContext context) +52
System.Web.CallHandlerExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() +599
System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously) +171
But it works fine in Mozilla Firefox, when i remove mbscrollable from page no error comes
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Jun 22, 2010
I am receiving the following error when browsing my asp.net page in internet explorer while in firefox mozilla everything works fine. I have tried different approaches as I believe there is a problem with VIEWSTATE as to
- <pages enableViewStateMac="false" >
- <pages enableViewState="false">
- <pages viewStateEncryptionMode="Never">
- <pages maxPageStateFieldLength="40">
but nothing seems to work. The error looks like below: Source Error: [No relevant source lines]
Source File: c:WINDOWSMicrosoft.NETFrameworkv2.0.50727Temporary ASP.NET Filesemportalermal7c94fef4cccf3353App_Web_mtkk1qfn.6.cs Line: 0
Stack Trace:
[FormatException: Invalid character in a Base-64 string.]
System.Convert.FromBase64String(String s) +0
System.Web.UI.ObjectStateFormatter.Deserialize(String inputString) +72
System.Web.UI.ObjectStateFormatter.System.Web.UI.IStateFormatter.Deserialize(String serializedState) +4
System.Web.UI.Util.DeserializeWithAssert(IStateFormatter formatter, String serializedState) +37
System.Web.UI.HiddenFieldPageStatePersister.Load() +113
[ViewStateException: Invalid viewstate.
Client IP: 127.0.0.1
Port:
User-Agent: Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 5.1; Trident/4.0; .NET CLR 1.1.4322; .NET CLR 2.0.50727; .NET CLR 3.0.04506.648; .NET CLR 3.5.21022; .NET CLR 3.0.4506.2152; .NET CLR 3.5.30729)
ViewState: 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...]
[HttpException (0x80004005): The state information is invalid for this page and might be corrupted.]
System.Web.UI.ViewStateException.ThrowError(Exception inner, String persistedState, String errorPageMessage, Boolean macValidationError) +106
System.Web.UI.ViewStateException.ThrowViewStateError(Exception inner, String persistedState) +14
System.Web.UI.HiddenFieldPageStatePersister.Load() +217
System.Web.UI.Page.LoadPageStateFromPersistenceMedium() +105
System.Web.UI.Page.LoadAllState() +43
System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +6785
System.Web.UI.Page.ProcessRequest(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +242
System.Web.UI.Page.ProcessRequest() +80
System.Web.UI.Page.ProcessRequestWithNoAssert(HttpContext context) +21
System.Web.UI.Page.ProcessRequest(HttpContext context) +49
ASP.al_page_aspx.ProcessRequest(HttpContext context) in c:WINDOWSMicrosoft.NETFrameworkv2.0.50727Temporary ASP.NET Filesemportalermal7c94fef4cccf3353App_Web_mtkk1qfn.6.cs:0
System.Web.CallHandlerExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() +181
System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously) +75
Remember that the error appear just in internet explorer
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Feb 3, 2010
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Jan 19, 2011
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Jul 15, 2010
i want to send mail to user using checkbox selection within Grid View so i write this code using this website: [URL] But problem is this is working in mozilla but not in IE 8 , my IE enable script debugging. here is my code:
<table>
<tr>
<td>
Select User Type:
</td>
<td>
<asp:DropDownList ID="DropDownList1" runat="server" OnTextChanged="DropDownList1_TextChanged" AutoPostBack="true">
<asp:ListItem Text="--Select--" Selected="True" Value="1"></asp:ListItem>
<asp:ListItem Text="Free User"></asp:ListItem>
<asp:ListItem Text="Paid User"></asp:ListItem>
<asp:ListItem Text="All User"></asp:ListItem>
</asp:DropDownList>
</td>
</tr>
<tr>
<td colspan="2" align="center">
<script language="javascript" type="text/javascript">
function SelectAllCheckboxes(spanChk)
{
// Added as ASPX uses SPAN for checkbox
var oItem = spanChk.children;
var theBox=(spanChk.type=="checkbox")?spanChk:spanChk.children.item[0];
xState=theBox.checked;
elm=theBox.form.elements;
for(i=0;i<elm.length;i++)
if(elm[i].type=="checkbox" && elm[i].id!=theBox.id)
{
//elm[i].click();
if(elm[i].checked!=xState)
elm[i].click();
//elm[i].checked=xState;
}
}
</script>
<asp:GridView ID="GridView1" runat="server" AutoGenerateColumns="False" DataKeyNames="uid">
<Columns>
<asp:boundfield DataField="uid" HeaderText="uid" ReadOnly="True" InsertVisible="False" SortExpression="uid" Visible="False">
</asp:boundfield>
<asp:boundfield DataField="nregistration" HeaderText="Registration" SortExpression="nregistration">
<ItemStyle Width="100px" />
</asp:boundfield>
<asp:boundfield DataField="nname" HeaderText="Name" SortExpression="nname">
<ItemStyle Width="100px" />
</asp:boundfield>
<asp:templatefield HeaderText="Email" SortExpression="nemail">
<ItemTemplate>
<asp:Label ID="lblemail" runat="server" Text='<%# Eval("nemail") %>'>
</asp:Label>
</ItemTemplate>
</asp:templatefield>
<asp:boundfield DataField="ntelephone" HeaderText="Telephone" SortExpression="ntelephone" Visible="False">
</asp:boundfield>
<asp:boundfield DataField="naddress" HeaderText="Address" SortExpression="naddress" Visible="False">
</asp:boundfield>
<asp:boundfield DataField="ndate" HeaderText="Date" SortExpression="ndate" Visible="False">
</asp:boundfield>
<asp:boundfield DataField="uname" HeaderText="uname" SortExpression="uname" Visible="False">
</asp:boundfield>
<asp:boundfield DataField="upassword" HeaderText="upassword" SortExpression="upassword" Visible="False">
</asp:boundfield>
<asp:boundfield DataField="usertype" HeaderText="UserType" SortExpression="usertype">
<ItemStyle Width="100px" />
</asp:boundfield>
<asp:boundfield DataField="umonth" HeaderText="Month" SortExpression="umonth">
<ItemStyle Width="100px" />
</asp:boundfield>
<asp:templatefield HeaderText="Select">
<HeaderTemplate>
<input id="chkAll" onclick="javascript:SelectAllCheckboxes(this);" runat="server" type="checkbox" title="xyz" />
</HeaderTemplate>
<ItemTemplate>
<asp:CheckBox ID="chkSelect" runat="server" />
</ItemTemplate>
</asp:templatefield>
</Columns>
</asp:GridView>
<asp:AccessDataSource ID="AccessDataSource1" runat="server" DataFile="~/database/profit_street.mdb"
SelectCommand="SELECT * FROM [registration]"></asp:AccessDataSource>
</td>
</tr>
<tr>
<td>
Subject: </td>
<td>
<asp:TextBox ID="TextBox1" runat="server" Columns="60"></asp:TextBox>
</td>
</tr>
<tr>
<td>
Message:
</td>
<td>
<asp:TextBox ID="TextBox2" runat="server" Columns="60" Rows="8" TextMode="MultiLine"></asp:TextBox>
</td>
</tr>
<tr>
<td colspan="2" align="center">
<asp:Button ID="Button1" runat="server" Text="Send Mail" OnClick="Button1_Click" ValidationGroup="x1"/>
</td>
</tr>
</table>
===========================In CS===================================
protected void DropDownList1_TextChanged(object sender, EventArgs e)
{
if (DropDownList1.SelectedItem.Text=="Free User")
{
con.Open();
OleDbCommand cmd = new OleDbCommand("select * from registration where usertype='Free User'", con);
OleDbDataReader red = cmd.ExecuteReader();
GridView1.DataSource = red;
GridView1.DataBind();
con.Close();
}
else if (DropDownList1.SelectedItem.Text=="Paid User")
{
con.Open();
OleDbCommand cmd = new OleDbCommand("select * from registration where usertype='Paid User'", con);
OleDbDataReader red = cmd.ExecuteReader();
GridView1.DataSource = red;
GridView1.DataBind();
con.Close();
}
else if (DropDownList1.SelectedItem.Text == "All User")
{
con.Open();
OleDbCommand cmd = new OleDbCommand("select * from registration", con);
OleDbDataReader red = cmd.ExecuteReader();
GridView1.DataSource = red;
GridView1.DataBind();
con.Close();
}
}
protected void Button1_Click(object sender, EventArgs e)
{
con.Open();
foreach (GridViewRow gv in GridView1.Rows)
{
CheckBox deleteChkBxItem = (CheckBox)gv.FindControl("chkSelect");
if (deleteChkBxItem.Checked)
{
StringBuilder str = new StringBuilder();
string strMail = ((Label)gv.FindControl("lblemail")).Text.ToString();
SmtpClient sc = new SmtpClient();
MailMessage mm = new MailMessage("webtechno.in@gmail.com", strMail);
mm.Subject = TextBox1.Text;
mm.Body = TextBox2.Text;
sc.EnableSsl = true;
sc.Send(mm);
Response.Write(strMail);
}
}
con.Close();
}
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Attached Files CodeProblem.txt (40.3 KB, 35 views) Frinavale EMM Join Date: Oct 2006 Location: Canada
Posts: 6,545
#2:
Dec 9 '10
Listbox causes page to Crash getting "Internet Explorer cannot display the webpage" Instead of posting your entire code for us to review, could you post the specific portion of the code that you think is causing the problem (probably the retrieval or setting of the data).
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