GridView Index was out of range. Asp.net C#

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Hello,
I am using asp.net c# , i want to check that gridview cell value is equal to textbox value i am writing this code by it is giving error ..
"

SQL

Index was out of range. Must be non-negative and less than the size of the collection.
Parameter name: index

"

C#

if (Gridview1.Rows[0].Cells[5].Text.ToString() == textbox1.Text)
        {
            Loaddata();
        }
        else
        {
            lblerror.text = "Error";
            textbox2.Focus();
        }

Please Help.............

Posted 13-Oct-14 18:46pm

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sankarsan parida · Answer 1 · 2014-10-13T19:03:00

C#

if (Gridview1.Rows[0].Cells[5].Text.ToString() == textbox1.Text)
        {//Why are you checking cell 5 text with textbox ???
            Loaddata();
   //Note: After this line gridview will populate. If you are loading gridview here
        }
        else
        {
            lblerror.text = "Error";
            textbox2.Focus();
        }

See at the earlier point you are checking gridview row index 0. Where there is no row binded to gridview it's before. So how could this "if (Gridview1.Rows[0].Cells[5].Text.ToString() == textbox1.Text)" will work.

YOur condition is wrong that's why it's giving error to you

Raul Iloc · Answer 2 · 2014-10-13T19:08:00

Like you message is saying, you are trying to access an array outside is range. The error could be generated by two reasons:
1.Your grid view has only 5 columns (with indexes from 0 to 4) and you are trying to access the 6th column that does not exist.
2.You are trying to access the grid view 1st row, but you grid view does not contain any row at that time.

PS: You could find details and examples about the using of the ASPX grid view in my next article: Advanced ASPX GridView Pagination and Data Entities[^]

prashant0556.s.more · Answer 3 · 2014-10-13T19:10:00

Solution 3

check how many columns are there in gridview. index start from 0 onwards, if there are six columns in your gridview, then it won't thrown an error.

Posted 13-Oct-14 19:10pm

prashant0556.s.more

GridView Index was out of range. Asp.net C#

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