datagridview of windowsapplication

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how to add sum in footer using datagridview of windowsapplication of .net

Posted 16-Jun-11 0:49am

Bhaumik Lathia

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Wayne Gaylard 16-Jun-11 9:32am

Please do not reply using the Add A Solution. Use the comments button below the Answer. With regards to your question, I do not know why it is not working in your app. You need to show me how you have put this in your code.

Bhaumik Lathia 16-Jun-11 9:37am

private void grd_billingunit_CellPainting(object sender, DataGridViewCellPaintingEventArgs e)
{
int W_sum = 0;
int W_totalrow = grd_billingunit.Rows.Count;
int W_min = W_totalrow - 1;
for (int i = 0; i < W_min; i++)
{
if ((this.grd_billingunit[3, i].Value != null) && (this.grd_billingunit[3, i].Value.ToString() != ""))
{
W_sum += Convert.ToInt32(this.grd_billingunit[3, i].Value);
}

}
txt_total.Text=W_sum.ToString();
int x=this.grd_billingunit.GetCellDisplayRectangle(0,-1,true).Location.X;
lbl_total.Width=this.grd_billingunit.Columns[0].Width + x;
lbl_total.Location=new Point(0,this.grd_billingunit.Height - txt_total.Height);

x=this.grd_billingunit.GetCellDisplayRectangle(1,-1,true).Location.X;
txt_total.Width=this.grd_billingunit.Columns[1].Width + x;
txt_total.Location=new Point(0,this.grd_billingunit.Height - txt_total.Height);
e.Handled = true;
}

This loop going in infinite loop plz give solution

2 solutions

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Uday P.Singh · Answer 1 · 2011-06-16T00:57:00

Solution 1

try this:

http://support.microsoft.com/kb/836672[^]

Posted 16-Jun-11 0:57am

Uday P.Singh

Wayne Gaylard · Answer 2 · 2011-06-16T01:07:00

The best idea is to add a textbox and a label to your form, and then position them below the datagridview such that they look like part of the grid. Then you can use the CellPainting event to calculate the total and update the textbox. Here is some code that will position the controls below the grid, and then automatically calculate the total. This assumes your form has a datagridview named dgv1, a textbox named txtTotal and a label named lblTotal

C#

public Form2()
       {
           InitializeComponent();
           PositionTotalControls();
       }
       void PositionTotalControls()
       {
           lblTotal.Text = "Total";
           lblTotal.Height = txtTotal.Height;
           lblTotal.AutoSize = false;
           lblTotal.TextAlign = ContentAlignment.MiddleCenter;
           int X = this.dgv1.GetCellDisplayRectangle(0, -1, true).Location.X;
           lblTotal.Width = this.dgv1.Columns[0].Width + X;
           lblTotal.Location = new Point(0, this.dgv1.Height - txtTotal.Height);
           this.dgv1.Controls.Add(lblTotal);
           txtTotal.Width = this.dgv1.Columns[1].Width;
           X = this.dgv1.GetCellDisplayRectangle(1, -1, true).Location.X;
           txtTotal.Location = new Point(X, this.dgv1.Height - txtTotal.Height);
           this.dgv1.Controls.Add(txtTotal);
           this.dgv1.CellPainting += new DataGridViewCellPaintingEventHandler(dataGridView1_CellPainting);
       }
       void dataGridView1_CellPainting(object sender, DataGridViewCellPaintingEventArgs e)
       {
           int sum = 0;
           for (int i = 0; i < this.dgv1.Rows.Count; i++)
           {
               sum += Convert.ToInt32(this.dgv1[1, i].Value);
           }
           txtTotal.Text = sum.ToString();
           int X = this.dgv1.GetCellDisplayRectangle(0, -1, true).Location.X;
           lblTotal.Width = this.dgv1.Columns[0].Width + X;
           lblTotal.Location = new Point(0, this.dgv1.Height - txtTotal.Height);
           txtTotal.Width = this.dgv1.Columns[1].Width;
           X = this.dgv1.GetCellDisplayRectangle(1, -1, true).Location.X;
           txtTotal.Location = new Point(X, this.dgv1.Height - txtTotal.Height);
       }

This also assumes you have two columns in your datagridview, and will automatically position the label below the first column and the textbox below the second column. It will automatically total the second column.

Hope this helps