F
Frank
Hello All,
I ham using VS.NET 2003.
Have followed instructions from
http://gridviewguy.com/ArticleDetails.aspx?articleID=26 along with several
other articles to no avail. I am pulling my hair out at this point. What I
have is this :
Members.aspx file:
<HTML>
<HEAD>
<title>members</title>
<meta name="GENERATOR" Content="Microsoft Visual Studio .NET 7.1">
<meta name="CODE_LANGUAGE" Content="C#">
<meta name="vs_defaultClientScript" content="JavaScript">
<meta name="vs_targetSchema"
content="http://schemas.microsoft.com/intellisense/ie5">
</HEAD>
<body MS_POSITIONING="GridLayout">
<form id="Form1" method="post" runat="server">
<mz:Header_Admin id="Heading1" runat="server"></mz:Header_Admin>
<mz:Menu id="Menu1" runat="server"></mz:Menu>
<asp:HyperLink id="HyperLink1" style="Z-INDEX: 105; LEFT: 144px;
POSITION: absolute; TOP: 248px"
runat="server" ForeColor="#F2BD73"
NavigateUrl="members.aspx">Members</asp:HyperLink>
<asp:LinkButton id="LinkButton1" style="Z-INDEX: 101; LEFT:
152px; POSITION: absolute; TOP: 280px"
runat="server" ForeColor="#EA9919">Add</asp:LinkButton>
<asp:LinkButton id="LinkButton2" style="Z-INDEX: 104; LEFT:
152px; POSITION: absolute; TOP: 312px"
runat="server" ForeColor="#EA9919">Remove</asp:LinkButton>
<asp:LinkButton id="LinkButton3" style="Z-INDEX: 102; LEFT:
152px; POSITION: absolute; TOP: 344px"
onclick="LinkButton3_Click" runat="server"
ForeColor="#EA9919">View</asp:LinkButton>
<asp:HyperLink id="HyperLink2" style="Z-INDEX: 103; LEFT: 136px;
POSITION: absolute; TOP: 376px"
runat="server" ForeColor="#F2BD73"
NavigateUrl="#.aspx">Community</asp:HyperLink>
<asp:Button id="Button1" style="Z-INDEX: 106; LEFT: 504px;
POSITION: absolute; TOP: 320px" runat="server"
Text="Export to Excel"></asp:Button>
<BR>
<aspatagrid id="dg" runat="server" AutoGenerateColumns="True"
AllowSorting="true" AllowPaging="true"
CellPadding="3" PageSize="3" style="Z-INDEX: 107; LEFT:
464px; POSITION: absolute; TOP: 368px">
<columns>
<asp:TemplateColumn>
<ItemTemplate>
<asp:LinkButton runat="server" CommandName="Edit"
CausesValidation="false" ID="btnView" Text="Edit" />
</ItemTemplate>
</asp:TemplateColumn>
</columns>
</aspatagrid>
</form>
</body>
</HTML>
in code behind file:
namespace myComponent.mzControls
{
public class members : System.Web.UI.Page
{
protected System.Web.UI.WebControls.HyperLink HyperLink1;
protected System.Web.UI.WebControls.LinkButton LinkButton1;
protected System.Web.UI.WebControls.LinkButton LinkButton2;
protected System.Web.UI.WebControls.LinkButton LinkButton3;
protected System.Web.UI.WebControls.HyperLink HyperLink2;
protected System.Web.UI.WebControls.Button Button1;
protected System.Web.UI.WebControls.DataGrid dg;
protected MZBusinessLayer bizObj;
private void Page_Load(object sender, System.EventArgs e)
{
if(!IsPostBack)
{
bizObj = new MZBusinessLayer();
dg.DataSource = bizObj.GetMembers();
DataBind();
}
}
#region Web Form Designer generated code
override protected void OnInit(EventArgs e)
{
//
// CODEGEN: This call is required by the ASP.NET Web Form Designer.
//
InitializeComponent();
base.OnInit(e);
}
/// <summary>
/// Required method for Designer support - do not modify
/// the contents of this method with the code editor.
/// </summary>
private void InitializeComponent()
{
this.LinkButton3.Click += new
System.EventHandler(this.LinkButton3_Click);
this.Button1.Click += new System.EventHandler(this.Button1_Click);
this.dg.SelectedIndexChanged += new
System.EventHandler(this.dg_SelectedIndexChanged);
this.Load += new System.EventHandler(this.Page_Load);
}
#endregion
private void Button1_Click(object sender, System.EventArgs e)
{
Response.Clear();
Response.AddHeader("content-disposition",
"attachment;filename=FileName.xls");
Response.Charset = "";
Response.Cache.SetCacheability(HttpCacheability.NoCache);
Response.ContentType = "application/vnd.xls";
System.IO.StringWriter stringWrite = new System.IO.StringWriter();
System.Web.UI.HtmlTextWriter htmlWrite = new
HtmlTextWriter(stringWrite);
dg.RenderControl(htmlWrite);
Response.Write(stringWrite.ToString());
Response.End();
}
public void LinkButton3_Click(object sender, System.EventArgs e)
{
}
private void dg_SelectedIndexChanged(object sender, System.EventArgs e)
{
}
}
}
And the error message:
Control 'dg__ctl2__ctl0' of type 'DataGridLinkButton' must be placed inside
a form tag with runat=server.
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.Web.HttpException: Control 'dg__ctl2__ctl0' of
type 'DataGridLinkButton' must be placed inside a form tag with
runat=server.
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:
[HttpException (0x80004005): Control 'dg__ctl2__ctl0' of type
'DataGridLinkButton' must be placed inside a form tag with runat=server.]
System.Web.UI.Page.VerifyRenderingInServerForm(Control control) +151
System.Web.UI.WebControls.LinkButton.AddAttributesToRender(HtmlTextWriter
writer) +38
System.Web.UI.WebControls.WebControl.RenderBeginTag(HtmlTextWriter
writer) +17
System.Web.UI.WebControls.DataGridLinkButton.Render(HtmlTextWriter
writer) +25
System.Web.UI.Control.RenderControl(HtmlTextWriter writer) +243
System.Web.UI.Control.RenderChildren(HtmlTextWriter writer) +72
System.Web.UI.WebControls.TableCell.RenderContents(HtmlTextWriter writer)
+55
System.Web.UI.WebControls.WebControl.Render(HtmlTextWriter writer) +29
System.Web.UI.Control.RenderControl(HtmlTextWriter writer) +243
System.Web.UI.Control.RenderChildren(HtmlTextWriter writer) +72
System.Web.UI.WebControls.WebControl.RenderContents(HtmlTextWriter
writer) +7
System.Web.UI.WebControls.WebControl.Render(HtmlTextWriter writer) +29
System.Web.UI.Control.RenderControl(HtmlTextWriter writer) +243
System.Web.UI.WebControls.Table.RenderContents(HtmlTextWriter writer) +99
System.Web.UI.WebControls.WebControl.Render(HtmlTextWriter writer) +29
System.Web.UI.Control.RenderControl(HtmlTextWriter writer) +243
System.Web.UI.Control.RenderChildren(HtmlTextWriter writer) +72
System.Web.UI.WebControls.WebControl.RenderContents(HtmlTextWriter
writer) +7
System.Web.UI.WebControls.BaseDataList.Render(HtmlTextWriter writer) +27
System.Web.UI.Control.RenderControl(HtmlTextWriter writer) +243
MarketZar.mzControls.members.Button1_Click(Object sender, EventArgs e)
+186
System.Web.UI.WebControls.Button.OnClick(EventArgs e) +108
System.Web.UI.WebControls.Button.System.Web.UI.IPostBackEventHandler.RaisePostBackEvent(String
eventArgument) +57
System.Web.UI.Page.RaisePostBackEvent(IPostBackEventHandler
sourceControl, String eventArgument) +18
System.Web.UI.Page.RaisePostBackEvent(NameValueCollection postData) +33
System.Web.UI.Page.ProcessRequestMain() +1292
--------------------------------------------------------------------------------
Version Information: Microsoft .NET Framework Version:1.1.4322.2032; ASP.NET
Version:1.1.4322.2032
I don't have any controls outside of the form. What the heck is going on
here?
I ham using VS.NET 2003.
Have followed instructions from
http://gridviewguy.com/ArticleDetails.aspx?articleID=26 along with several
other articles to no avail. I am pulling my hair out at this point. What I
have is this :
Members.aspx file:
<HTML>
<HEAD>
<title>members</title>
<meta name="GENERATOR" Content="Microsoft Visual Studio .NET 7.1">
<meta name="CODE_LANGUAGE" Content="C#">
<meta name="vs_defaultClientScript" content="JavaScript">
<meta name="vs_targetSchema"
content="http://schemas.microsoft.com/intellisense/ie5">
</HEAD>
<body MS_POSITIONING="GridLayout">
<form id="Form1" method="post" runat="server">
<mz:Header_Admin id="Heading1" runat="server"></mz:Header_Admin>
<mz:Menu id="Menu1" runat="server"></mz:Menu>
<asp:HyperLink id="HyperLink1" style="Z-INDEX: 105; LEFT: 144px;
POSITION: absolute; TOP: 248px"
runat="server" ForeColor="#F2BD73"
NavigateUrl="members.aspx">Members</asp:HyperLink>
<asp:LinkButton id="LinkButton1" style="Z-INDEX: 101; LEFT:
152px; POSITION: absolute; TOP: 280px"
runat="server" ForeColor="#EA9919">Add</asp:LinkButton>
<asp:LinkButton id="LinkButton2" style="Z-INDEX: 104; LEFT:
152px; POSITION: absolute; TOP: 312px"
runat="server" ForeColor="#EA9919">Remove</asp:LinkButton>
<asp:LinkButton id="LinkButton3" style="Z-INDEX: 102; LEFT:
152px; POSITION: absolute; TOP: 344px"
onclick="LinkButton3_Click" runat="server"
ForeColor="#EA9919">View</asp:LinkButton>
<asp:HyperLink id="HyperLink2" style="Z-INDEX: 103; LEFT: 136px;
POSITION: absolute; TOP: 376px"
runat="server" ForeColor="#F2BD73"
NavigateUrl="#.aspx">Community</asp:HyperLink>
<asp:Button id="Button1" style="Z-INDEX: 106; LEFT: 504px;
POSITION: absolute; TOP: 320px" runat="server"
Text="Export to Excel"></asp:Button>
<BR>
<aspatagrid id="dg" runat="server" AutoGenerateColumns="True"
AllowSorting="true" AllowPaging="true"
CellPadding="3" PageSize="3" style="Z-INDEX: 107; LEFT:
464px; POSITION: absolute; TOP: 368px">
<columns>
<asp:TemplateColumn>
<ItemTemplate>
<asp:LinkButton runat="server" CommandName="Edit"
CausesValidation="false" ID="btnView" Text="Edit" />
</ItemTemplate>
</asp:TemplateColumn>
</columns>
</aspatagrid>
</form>
</body>
</HTML>
in code behind file:
namespace myComponent.mzControls
{
public class members : System.Web.UI.Page
{
protected System.Web.UI.WebControls.HyperLink HyperLink1;
protected System.Web.UI.WebControls.LinkButton LinkButton1;
protected System.Web.UI.WebControls.LinkButton LinkButton2;
protected System.Web.UI.WebControls.LinkButton LinkButton3;
protected System.Web.UI.WebControls.HyperLink HyperLink2;
protected System.Web.UI.WebControls.Button Button1;
protected System.Web.UI.WebControls.DataGrid dg;
protected MZBusinessLayer bizObj;
private void Page_Load(object sender, System.EventArgs e)
{
if(!IsPostBack)
{
bizObj = new MZBusinessLayer();
dg.DataSource = bizObj.GetMembers();
DataBind();
}
}
#region Web Form Designer generated code
override protected void OnInit(EventArgs e)
{
//
// CODEGEN: This call is required by the ASP.NET Web Form Designer.
//
InitializeComponent();
base.OnInit(e);
}
/// <summary>
/// Required method for Designer support - do not modify
/// the contents of this method with the code editor.
/// </summary>
private void InitializeComponent()
{
this.LinkButton3.Click += new
System.EventHandler(this.LinkButton3_Click);
this.Button1.Click += new System.EventHandler(this.Button1_Click);
this.dg.SelectedIndexChanged += new
System.EventHandler(this.dg_SelectedIndexChanged);
this.Load += new System.EventHandler(this.Page_Load);
}
#endregion
private void Button1_Click(object sender, System.EventArgs e)
{
Response.Clear();
Response.AddHeader("content-disposition",
"attachment;filename=FileName.xls");
Response.Charset = "";
Response.Cache.SetCacheability(HttpCacheability.NoCache);
Response.ContentType = "application/vnd.xls";
System.IO.StringWriter stringWrite = new System.IO.StringWriter();
System.Web.UI.HtmlTextWriter htmlWrite = new
HtmlTextWriter(stringWrite);
dg.RenderControl(htmlWrite);
Response.Write(stringWrite.ToString());
Response.End();
}
public void LinkButton3_Click(object sender, System.EventArgs e)
{
}
private void dg_SelectedIndexChanged(object sender, System.EventArgs e)
{
}
}
}
And the error message:
Control 'dg__ctl2__ctl0' of type 'DataGridLinkButton' must be placed inside
a form tag with runat=server.
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.Web.HttpException: Control 'dg__ctl2__ctl0' of
type 'DataGridLinkButton' must be placed inside a form tag with
runat=server.
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:
[HttpException (0x80004005): Control 'dg__ctl2__ctl0' of type
'DataGridLinkButton' must be placed inside a form tag with runat=server.]
System.Web.UI.Page.VerifyRenderingInServerForm(Control control) +151
System.Web.UI.WebControls.LinkButton.AddAttributesToRender(HtmlTextWriter
writer) +38
System.Web.UI.WebControls.WebControl.RenderBeginTag(HtmlTextWriter
writer) +17
System.Web.UI.WebControls.DataGridLinkButton.Render(HtmlTextWriter
writer) +25
System.Web.UI.Control.RenderControl(HtmlTextWriter writer) +243
System.Web.UI.Control.RenderChildren(HtmlTextWriter writer) +72
System.Web.UI.WebControls.TableCell.RenderContents(HtmlTextWriter writer)
+55
System.Web.UI.WebControls.WebControl.Render(HtmlTextWriter writer) +29
System.Web.UI.Control.RenderControl(HtmlTextWriter writer) +243
System.Web.UI.Control.RenderChildren(HtmlTextWriter writer) +72
System.Web.UI.WebControls.WebControl.RenderContents(HtmlTextWriter
writer) +7
System.Web.UI.WebControls.WebControl.Render(HtmlTextWriter writer) +29
System.Web.UI.Control.RenderControl(HtmlTextWriter writer) +243
System.Web.UI.WebControls.Table.RenderContents(HtmlTextWriter writer) +99
System.Web.UI.WebControls.WebControl.Render(HtmlTextWriter writer) +29
System.Web.UI.Control.RenderControl(HtmlTextWriter writer) +243
System.Web.UI.Control.RenderChildren(HtmlTextWriter writer) +72
System.Web.UI.WebControls.WebControl.RenderContents(HtmlTextWriter
writer) +7
System.Web.UI.WebControls.BaseDataList.Render(HtmlTextWriter writer) +27
System.Web.UI.Control.RenderControl(HtmlTextWriter writer) +243
MarketZar.mzControls.members.Button1_Click(Object sender, EventArgs e)
+186
System.Web.UI.WebControls.Button.OnClick(EventArgs e) +108
System.Web.UI.WebControls.Button.System.Web.UI.IPostBackEventHandler.RaisePostBackEvent(String
eventArgument) +57
System.Web.UI.Page.RaisePostBackEvent(IPostBackEventHandler
sourceControl, String eventArgument) +18
System.Web.UI.Page.RaisePostBackEvent(NameValueCollection postData) +33
System.Web.UI.Page.ProcessRequestMain() +1292
--------------------------------------------------------------------------------
Version Information: Microsoft .NET Framework Version:1.1.4322.2032; ASP.NET
Version:1.1.4322.2032
I don't have any controls outside of the form. What the heck is going on
here?