ArgumentsOutofRange Exception

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Hi Friends,
I am to sort the bounded datagridview as I change a cell value. The problem comes when I try to edit the checkbox control in datagrid view. I have found the source of error is the code in region sorting Feature. when I remove it It works perfect. Please help me if there is a way out of this problem. It has killed a lot of my time. Please help.

C#

private void dgDrugs_CellValueChanged(object sender, DataGridViewCellEventArgs e)
{
    dgDrugs.CellValueChanged -= new DataGridViewCellEventHandler(dgDrugs_CellValueChanged);
    try
    {
        if (dgDrugs.Rows.Count > 0)
        {
            #region Sorting Feature
            this.dgDrugs.Sort(drugsDataGridViewTextBoxColumn, ListSortDirection.Ascending);
            #endregion
            ////updateColors();
         //   updateStopped();
        }
    }
    catch (Exception ex)
    {
        Console.WriteLine(ex.Message);
    }
    dgDrugs.CellValueChanged += new DataGridViewCellEventHandler(dgDrugs_CellValueChanged);

}

The error message appears on following main function... error place is quoted,

C#

namespace Patient_hospital_bracelet
{
    static class Program
    {
        /// <summary>
        /// The main entry point for the application.
        /// </summary>
        [STAThread]
        static void Main()
        {
            Application.EnableVisualStyles();
            Application.SetCompatibleTextRenderingDefault(false);
            "Application.Run(new frmBracelet());" 
        }
    }
}

The error message is,
Specified argument was out of the range of valid values.
Parameter name: rowIndex

Thanks in advance

Posted 25-Jan-11 10:58am

J imran

Updated 25-Jan-11 11:02am

Henry Minute

v2

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Henry Minute 25-Jan-11 17:08pm

Do you only want the sorting to happen when the drugsDataGridViewTextBoxColumn column changes?

2 solutions

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Christian Graus · Answer 1 · 2011-01-25T11:01:00

Solution 1

That's a top level error, it just means you need to add some try catches or look at the call stack to see the line with the actual error. Why do you set the event handler twice, and set it in your cell value changed method ? that means every time a cell is changed, that method will be called two more times when that event fires. I wonder if having it call a bajillion times is the root cause of your error ?

Posted 25-Jan-11 11:01am

Christian Graus

Comments

J imran 25-Jan-11 17:04pm

Please see the line
<pre lang="midl">dgDrugs.CellValueChanged -= new DataGridViewCellEventHandler(dgDrugs_CellValueChanged);</pre>
I have disabled the event handler while the function is called. this avoid the recursive calles.

Henry Minute 25-Jan-11 17:05pm

He's not setting it twice, Christian. He's unsetting it at the start then setting it at the end, I suspect to avoid it being called during the sort operation.

J imran 25-Jan-11 17:08pm

yes henry.. you are right.. Please guide me out of it. not sure how to fix this. Please please please. Getting out of time.

J imran 25-Jan-11 17:06pm

It seams to me that It is a top level error but I have no place left without try catch. still confusing for me where the error comes actually. But when I delete the sorting feature the error don't appear.

GenJerDan 25-Jan-11 17:23pm

Is it just me, or is "rowIndex" not even in that block? Seems like the error is cropping up somewhere else....like in the form's initialization/creation.

Christian Graus 25-Jan-11 17:24pm

Oh, I see. I typically use a flag to deal with that sort of stuff. Either way, he needs to set a try catch to catch the error, or look at the call stack, or perhaps look at the class he's sorting, I'd imagine that he's written sorting code inside that class that is the root cause of the issue.

Henry Minute · Answer 2 · 2011-01-25T12:38:00

If you only want the sorting to happen when the value of the drugsDataGridViewTextBoxColumn changes, alter your code something like this:

C#

private void dgDrugs_CellValueChanged(object sender, DataGridViewCellEventArgs e)
{
    // dgDrugs.CellValueChanged -= new DataGridViewCellEventHandler(dgDrugs_CellValueChanged);
    try
    {
        if (dgDrugs.Rows.Count > 0)
        {
            #region Sorting Feature
            if (e.ColumnIndex == this.dataGridView1.Columns["drugsDataGridViewTextBoxColumn"].Index)
            {
                 this.dataGridView1.Sort(this.dataGridView1.Columns[e.ColumnIndex], ListSortDirection.Ascending);
            }
            #endregion
            ////updateColors();
         //   updateStopped();
        }
    }
    catch (Exception ex)
    {
        Console.WriteLine(ex.Message);
    }
    // dgDrugs.CellValueChanged += new DataGridViewCellEventHandler(dgDrugs_CellValueChanged);
}

I have commented out your unsubscribing from the event and then subscribing again lines because I have just tried this and it works fine on my system.

If you get problems, my tests suggest that they are not caused by this code.

Of course, I could be wrong. :)