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POinput string is not in correct format for retrieveing gridview value
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  1. POinput string is not in correct format for retrieveing gridview value
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    copied!<p>In my grid view I want that when user click on activate then it navigate to activate.aspx page. And I want to retrieve three values from previous page to activate.aspx page. My code is:</p> <pre><code> protected void Page_Load(object sender, EventArgs e) { if (this.Page.PreviousPage != null) { int rowIndex = int.Parse(Request.QueryString["RowIndex"]); GridView GridView1 = (GridView)this.Page.PreviousPage.FindControl("GridView1"); GridViewRow row = GridView1.Rows[rowIndex]; Label1.Text = row.Cells[3].Text; Label2.Text = row.Cells[2].Text; Label3.Text = row.Cells[2].Text; SqlDataAdapter da = new SqlDataAdapter("insert into login values('" + Label1.Text + "','" + Label2.Text + "','" + Label3.Text + "')",con); DataSet ds = new DataSet(); da.Fill(ds); } } protected void GridView1_RowCommand(object sender, GridViewCommandEventArgs e) { if (e.CommandName == "Redirect") { String email = "lblemail.Text"; String mob = "lblmobno.Text"; Server.Transfer("activate.aspx?RowIndex=" + email +mob, true); } } </code></pre> <p>Aspx markup</p> <pre><code> &lt;asp:GridView ID="GridView1" runat="server" AutoGenerateColumns="false" onrowcommand="GridView1_RowCommand"&gt; &lt;Columns&gt; &lt;asp:TemplateField HeaderStyle-Font-Bold="true" HeaderStyle-Font-Size="Larger" HeaderText="Activate/Delete" ItemStyle-Width="150px"&gt; &lt;ItemTemplate&gt; &lt;asp:LinkButton ID="linkbutton1" runat="server" Text="Activate" CommandName="Redirect" CommandArgument='&lt;%# DataBinder.Eval(Container, "RowIndex") %&gt;'&gt;&lt;/asp:LinkButton&gt; &lt;span onclick="return confirm('Are You sure want to Delete?')"&gt; &lt;asp:LinkButton ID="linkbutton2" runat="server" Text="Delete" CommandName="Delete"&gt;&lt;/asp:LinkButton&gt; &lt;/span&gt; &lt;/ItemTemplate&gt; &lt;/asp:TemplateField&gt; &lt;/Columns&gt; &lt;/asp:GridView&gt; </code></pre> <p>I'm getting error that input string is not in correct format for the following lines:</p> <pre><code> int rowIndex = int.Parse(Request.QueryString["RowIndex"]); </code></pre> <p>pls help me.</p>
 

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