hi all

   datagridview the first one column  is used  ,ColumnType:DataGridViewCheckBoxColumn, I  now think Achieve  pressing the command button select all rows data.

thanks in advance.

Hi aken H,

Could you please explain your question in more detail. I could not get your question properly.

Thanks.

hi all,

//code

    /// <summary>
        /// this method select all datagridview row header, it is used for select all rows
        /// </summary>
      
       private void btnSelectALL_Click(object sender, EventArgs e)
        {
            // first column name is "Select"，ColumnType:DataGridViewCheckBoxColumn
            //how write the  code
        }

Hi Awadhendra Tiwari,

   yes,this is i want.

// the click command , i want select all Checking  of checkbox column 

private void btnSelectALL_Click(object sender, EventArgs e)
        {
            
            //how write the  code
        }

thanks

  private void button1_Click(object sender, EventArgs e)
    {
        List<DataGridViewRow> rows_with_checked_column = new List<DataGridViewRow>();
        foreach (DataGridViewRow row in dataGridView1.Rows)
        {
            if (Convert.ToBoolean(row.Cells[CheckBoxColumn1.Name].Value) == true)
            {
                rows_with_checked_column.Add(row);
            }
        }
        // Do what you want with the check rows


    Thanks.

hi Awadhendra Tiwari ,

     thanks for your answer.

i very  appreciate your bolg write article.

thanks.