Error while pass multiple values through command argument in Grid View?

Question

Page Directory is showing errorl like "New line is constatant" when I try to pass multiple values through command argument in Grid View. If I pass one value through command arguments, there is no error. Why it shows error like this?? My page directory and gridview is mention below

 <%@ Page Title="" Language="C#" MasterPageFile="~/Home.Master" AutoEventWireup="true" CodeBehind="LeaveApprove.aspx.cs" Inherits="Samples.WebForm133" %>
  </asp:Content>
 <asp:Content ID="Content3" ContentPlaceHolderID="MainContent"  
       runat="server">
 </asp:Content>
 <asp:Content ID="Content4" ContentPlaceHolderID="ContentPlaceHolder1" runat="server">                 
  <form id="form1" runat="server">
  <td align="center">
 <asp:GridView ID="gvemployee" runat="server" BorderWidth="1px" 
  CellPadding="3" CellSpacing="2" onrowcommand="gvemployee_RowCommand"                                                                     
 <Columns>
 <asp:TemplateField>
 <ItemTemplate>
 <asp:LinkButton ID="LinkButton1" runat="server"                                           
  CommandArgument='<%#Eval("EmpCode")+","+ Eval("Fromdate",,"+  
  Eval("Todate")%>'>Approve</asp:LinkButton>
  </ItemTemplate>
  </asp:TemplateField>
  <asp:TemplateField>
  <ItemTemplate>
  <asp:LinkButton ID="LinkButton4" runat="server"                                        
  CommandArgument='<%#Eval("EmpCode")+","+ Eval("Fromdate",,"+    
  Eval("Todate")%>'>Reject</asp:LinkButton>
   </ItemTemplate>
   </asp:TemplateField>
   </Columns>
   </asp:GridView>
   </td>
   </tr>
  </asp:Content>

Is there any other method to pass multiple arguments in gridview ?

you can do this two ways:-1.create a property combining these columns value & then write that property in the command argument.2. use Stirng,Format("{0},{1}",<%#Eval("EmpCode")%>,<%#Eval("Todate")%>). — Anupam Sharma
– Anupam Sharma, Commented Feb 10, 2015 at 5:43

udondan · Accepted Answer · 2015-02-10 06:14:48Z

1

Please write the above line as seen below:

CommandArgument='<%#Eval("EmpCode")+","+ Eval("Fromdate") + "," + Eval("Todate")%>'

edited Feb 10, 2015 at 6:14

udondan

60.7k21 gold badges199 silver badges182 bronze badges

answered Feb 10, 2015 at 5:54

Kishore Agarwal

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