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POIssues with Asp.net Gridview Paging
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  1. POIssues with Asp.net Gridview Paging
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    copied!<p>I have used the Gridview_PageIndexChanging event in asp.net.i have used the code like this:</p> <pre><code>gridFileDetails.PageIndex = e.NewPageIndex </code></pre> <p>During the run time when i clicked the next page,it generates an error:</p> <blockquote> <p>An exception of type 'System.InvalidCastException' occurred in FFK.DLL but was not handled in user code</p> <p>Additional information: Unable to cast object of type 'System.Web.UI.WebControls.ContentPlaceHolder' to type 'System.Web.UI.WebControls.GridViewRow'.</p> </blockquote> <p>in the RowCommand event,</p> <p>I have used the following RowCommand event:</p> <pre><code>Protected Sub gridFileDetails_RowCommand(ByVal sender As Object, ByVal e As System.Web.UI.WebControls.GridViewCommandEventArgs) Handles gridFileDetails.RowCommand Dim row As GridViewRow = CType(CType(e.CommandSource, Control).NamingContainer, GridViewRow) Dim rowkey As DataKey = Me.gridFileDetails.DataKeys(row.DataItemIndex) Dim key As String = rowkey(0).ToString() If e.CommandName = "FileStatus" And e.CommandArgument &lt;= 0 Then Response.Redirect("FFKFile.aspx?FileId=" + key) ElseIf e.CommandName = "TradexStatus" And e.CommandArgument &lt;= 0 Then Response.Redirect("TradeX.aspx?FileId=" + key) ElseIf e.CommandName = "BondStatus" And e.CommandArgument &lt;= 0 Then Response.Redirect("BondMaster.aspx?FileId=" + key) ElseIf e.CommandName = "FDStatus" And e.CommandArgument &lt;= 0 Then Response.Redirect("FrmFileDocument.aspx?FileId=" + key) ElseIf e.CommandName = "InvoiceStatus" And e.CommandArgument &lt;= 0 Then Response.Redirect("InvoiceMaster.aspx?FileId=" + key) ElseIf e.CommandName = "PDStatus" And e.CommandArgument &lt;= 0 Then Response.Redirect("PackagingDetails.aspx?FileId=" + key) End If End Sub </code></pre> <p>can you resolve this problem? i am getting the error in the first line in RowCommand event ,ie.,</p> <pre><code>Dim row As GridViewRow = CType(CType(e.CommandSource, Control).NamingContainer, GridViewRow) </code></pre> <p>In the PageIndexChanging event i have written as follows:</p> <p>Protected Sub gridFileDetails_PageIndexChanging(ByVal sender As Object, ByVal e As System.Web.UI.WebControls.GridViewPageEventArgs) Handles gridFileDetails.PageIndexChanging gridFileDetails.PageIndex = e.NewPageIndex End Sub</p>
 

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