Split string by slash '/'

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C#

protected void OnRowDataBound123(object sender, GridViewRowEventArgs e)
{
    if (e.Row.RowType == DataControlRowType.DataRow)
    {
        TableCell statusCell1 = e.Row.Cells[1];
        if (statusCell1.Text != "-")
        {
            string[] a = statusCell1.Text.Split('/');
            if (a[0] != a[1])
            {
                statusCell1.ForeColor = System.Drawing.Color.Red;
            }
        }
    }
}

i'm using this function in gridview onrowdatabound ,if data before and after / is not match then red color text.
my sample data :
5/6
11/11
-
1/3

but keep getting error :

C#

System.IndexOutOfRangeException: Index was outside the bounds of the array.

What I have tried:

C#

protected void OnRowDataBound123(object sender, GridViewRowEventArgs e)
{
    if (e.Row.RowType == DataControlRowType.DataRow)
    {
        TableCell statusCell1 = e.Row.Cells[1];
        if (statusCell1.Text != "-")
        {
            string[] a = statusCell1.Text.Split('/');
            if (a[0] != a[1])
            {
                statusCell1.ForeColor = System.Drawing.Color.Red;
            }
        }
    }
}

Posted 26-Oct-16 17:45pm

KyLim0211

Updated 26-Oct-16 20:15pm

phil.o

v2

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Animesh Datta · Answer 1 · 2016-10-26T19:41:00

Hello ,
Just check the length of the array returned in your if statement .

 string[] a = statusCell1.Text.Split('/');
if(a.Length > 1)
{
//do other stuff
}

the exception comes as returning array of size less than the index you are accessing with.
Here you are accessing the array element 1 then there must be atleast 2 elements in the array as array index starts with 0 .
Thanks

Suvendu Shekhar Giri · Answer 2 · 2016-10-26T19:44:00

That could be because you have one or more entries which is not in the desired format.
Just add a check for you go ahead to compare.
Something like-

C#

if(a.Length>1)
{
   if (a[0] != a[1])
   {
      statusCell1.ForeColor = System.Drawing.Color.Red;
   }
}

You could also put a watch on the values while debugging to see what are the values you are getting.

Hope, it helps :)

Split string by slash '/'

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