How to hide column which have null values in gridview.

Question

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I want to hide nullvalues column in gridview. I got stuck to hide null values column. i hide null values column but header was also hided.
COde snnip is below:

C#

protected void GridView1_RowDataBound(object sender,
GridViewRowEventArgs e)
    {
        // Make sure there are at least header row
        if (GridView1.HeaderRow != null)
        {
            int columnIndex = 0;

            // For each column
            foreach (DataControlFieldCell clm in GridView1.HeaderRow.Cells)
            {
                bool notAvailable = true;

                // For each row
                foreach (GridViewRow row in GridView1.Rows)
                {
                    string columnData = row.Cells[columnIndex].Text;
                    if (!(string.IsNullOrEmpty(columnData) || columnData== "&nbsp;"))
                    {
                        notAvailable = false;
                        break;
                    }
                }

                if (notAvailable)
                {
                    // Hide the target header cell
                    GridView1.HeaderRow.Cells[columnIndex].Visible = true
                        ;

                    // Hide the target cell of each row
                    foreach (GridViewRow row in GridView1.Rows)
                        row.Cells[columnIndex].Visible = false;
                }

                columnIndex++;
            }
        }


    }

Posted 16-Apr-15 4:06am

Aone starteam

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Comments

Tadit Dash (ତଡିତ୍ କୁମାର ଦାଶ) 16-Apr-15 10:28am

What you want to do? You want to blank out the values inside the column for each row?

1 solution

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Aone starteam · Accepted Answer · 2015-04-16T04:40:00

/protected void GridView1_RowDataBound(object sender,GridViewRowEventArgs e)
//{
// // Make sure there are at least header row
// if (GridView1.HeaderRow != null)
// {
// int columnIndex = 0;

// // For each column
// foreach (DataControlFieldCell clm in GridView1.HeaderRow.Cells)
// {
// bool notAvailable = true;

// // For each row
// foreach (GridViewRow row in GridView1.Rows)
// {
// string columnData = row.Cells[columnIndex].Text;
// if (!(string.IsNullOrEmpty(columnData) || columnData == " "))
// {
// notAvailable = false;
// GridView1.HeaderRow.Cells[columnIndex].Visible = true;
// break;
// }
// }

// if (notAvailable)
// {
// // Hide the target header cell
// GridView1.HeaderRow.Cells[columnIndex].Visible = false;
// // ;

// // Hide the target cell of each row
// foreach (GridViewRow row in GridView1.Rows)
// row.Cells[columnIndex].Visible = false;
// }

// columnIndex++;
// }
// }