Error...."Can,t ImplicitlyConvert String to Int".Itz showing error in this line-"if (i = e.Item.Value)"

Question

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ASP.NET

<div>
        <table>
            <tr>
                <td>
                    <asp:Menu ID="Menu1" Width="168px" runat="server" Orientation="Horizontal" StaticEnableDefaultPopOutImage="False"
                        OnMenuItemClick="Menu1_MenuItemClick">
                        <Items>
                            <asp:MenuItem ImageUrl="~/Images/selectedtab.GIF" Text=" " Value="0"></asp:MenuItem>
                            <asp:MenuItem ImageUrl="~/Images/unselectedtab.GIF" Text=" " Value="1"></asp:MenuItem>
                            <asp:MenuItem ImageUrl="~/Images/unselectedtab.GIF" Text=" " Value="2"></asp:MenuItem>
                        </Items>
                    </asp:Menu>
                </td>
            </tr>
            <tr>
                <td>
                    <asp:MultiView ID="MultiView1" runat="server" ActiveViewIndex="0">
                        <asp:View ID="Tab1" runat="server">
                            <table style="width: 600px; height: 300px" cellpadding="0" cellspacing="0">
                                <tr valign="top">
                                    <td class="TabArea" style="width: 600px">
                                        <br />
                                        <br />
                                        TAB VIEW 1 INSERT YOUR CONENT IN HERE CHANGE SELECTED IMAGE URL AS NECESSARY
                                    </td>
                                </tr>
                            </table>
                        </asp:View>
                        <asp:View ID="Tab2" runat="server">
                            <table style="width: 600px; height: 300px" cellpadding="0" cellspacing="0">
                                <tr valign="top">
                                    <td class="TabArea" style="width: 600px">
                                        <br />
                                        <br />
                                        TAB VIEW 2 INSERT YOUR CONENT IN HERE CHANGE SELECTED IMAGE URL AS NECESSARY
                                    </td>
                                </tr>
                            </table>
                        </asp:View>
                        <asp:View ID="Tab3" runat="server">
                            <table cellpadding="0" cellspacing="0" style="width: 600px; height: 300px">
                                <tr valign="top">
                                    <td class="TabArea" style="width: 600px">
                                        <br />
                                        <br />
                                        TAB VIEW 3 INSERT YOUR CONENT IN HERE CHANGE SELECTED IMAGE URL AS NECESSARY
                                    </td>
                                </tr>
                            </table>
                        </asp:View>
                    </asp:MultiView>
                </td>
            </tr>
        </table>
    </div>

C#

#region Menu1_MenuItemClick
        protected void Menu1_MenuItemClick(object sender, MenuEventArgs e)
        {
            MultiView1.ActiveViewIndex = Int32.Parse(e.Item.Value);
            int i = 0;
            //Make the selected menu item reflect the correct imageurl
            for (i = 0; i <= Menu1.Items.Count - 1; i++)
            {
                if (i = e.Item.Value)
                {
                    Menu1.Items[i].ImageUrl = "C:/Users/1502/Desktop/MOLFrameWork/MOLFrameWork/MOLFrameWork/Images/selectedtab.GIF";
                }
                else
                {
                    Menu1.Items[i].ImageUrl = "C:/Users/1502/Desktop/MOLFrameWork/MOLFrameWork/MOLFrameWork/Images/unselectedtab.gif";
                }
            }
        }
        #endregion

Posted 30-May-14 0:20am

Member 10534998

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Richard Deeming · Answer 1 · 2014-05-30T02:24:00

There are several problems with your code:

You're trying to assign e.Item.Value to the variable i; you should be using the equality operator instead.
e.Item.Value is a string; you can't compare it to an int with the equality operator.
You're setting the ImageUrl to a local path on your server's C: drive. This won't work - it needs to be set to a URL on your site. Assuming the Images folder is in the root of your site, use ~/Images/Your-Image-Here.ext instead.

Also, since you're not using the loop variable (i) outside of the loop, you can declare it within the for block. And instead of using i <= Count - 1, it's more common to use i < Count.

C#

protected void Menu1_MenuItemClick(object sender, MenuEventArgs e)
{
    int itemValue = int.Parse(e.Item.Value);
    MultiView1.ActiveViewIndex = itemValue;
    
    for (int i = 0; i < Menu1.Items.Count; i++)
    {
        if (i == itemValue)
        {
            Menu1.Items[i].ImageUrl = "~/Images/selectedtab.GIF";
        }
        else
        {
            Menu1.Items[i].ImageUrl = "~/Images/unselectedtab.gif";
        }
    }
}

Salman622 · Answer 2 · 2014-05-30T00:30:00

Solution 2

You are using an assignment operation which obviusly give error in if condition expresson

use relational operator
i.e ==
put

if (i == e.Item.Value)
{
//Your logic;
}

and Make sure e.Item.Value returns an integer value

Posted 30-May-14 0:30am

Salman622

Updated 30-May-14 0:35am

v2

Comments

Member 10534998 30-May-14 7:24am

i wrote ==, bt evn shwng error operator cant be applied to operands of type int and string"

Karthik_Mahalingam · Answer 3 · 2014-05-30T00:27:00

Its a common parsing error
The value which you are trying to cast is not in a number format you will get this exception.
instead of int.Parse try int.TryParse

C#

int result = 0;
           int.TryParse("", out result);
            MultiView1.ActiveViewIndex = result;

but try to figure out why the e.Item.Value is not getting in a valid number format. unless u fix this, you issue will not be resolved.

Error...."Can,t ImplicitlyConvert String to Int".Itz showing error in this line-"if (i = e.Item.Value)"

3 solutions

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