Question

I am using Windows form and C# and MySQL.

In that i add three unbound columns in Datagridview with the help of control tag witch is in Datagridview right top.

column1 is DataGridViewCheckBoxColumn.
column 2 and 3 is DataGridViewTextBoxColumn.

After that i wrote code to fill the Datagrid view.

connection.Open();
                 DataTable dt = new DataTable();
                 // Create a new data adapter based on the specified query.
                 MySqlDataAdapter da = new MySqlDataAdapter("select admin_no,name from " + FormName + " where class_code='" + class_code + "' and division_code='" + division_code + "' and Delete_Status = 0", connection);
                 //SQl command builder is used to get data from database based on query
                 MySqlCommandBuilder cmd = new MySqlCommandBuilder(da);
                 //Fill data table
                 da.Fill(dt);
                 //assigning data table to Datagridview
                 dataGridView1.DataSource = dt;
                 //Resize the Datagridview column to fit the gridview columns with data in datagridview
                 dataGridView1.AutoResizeColumns(DataGridViewAutoSizeColumnsMode.AllCellsExceptHeader);
                 connection.Close();

In That I got

Here u see the two columns of Textbox is empty. and other two is added.

I don’t want to remove the textbox. So I want to populate the data with in my textbox, not a auto generated one.,..

Please help me, to solve this problem….

Thanks, I got the value in template Textbox columns. But the Last two columns of auto generated columns are added. How to remove that.

connection.Open();
                 DataTable dt = new DataTable();                 
                 MySqlDataAdapter da = new MySqlDataAdapter("select admin_no,name from " + FormName + " where class_code='" + class_code + "' and division_code='" + division_code + "' and Delete_Status = 0", connection);                 
                 MySqlCommandBuilder cmd = new MySqlCommandBuilder(da);                 
                 da.Fill(dt);                 
                 dataGridView1.DataSource = dt;                                 
                 dataGridView1.Columns[1].DataPropertyName = "admin_no";
                 dataGridView1.Columns[2].DataPropertyName = "name";
                 connection.Close();

Help Me again Please.

Sorry i forgot “dataGridView1.AutoGenerateColumns = false;”.

Thanks I got my requirement.

Answer 1

You have to set DataGridViewTextBoxColumn.DataPropertyName="name_of_field". Take a look at MSDN article.

PS: You should have to use Parameterized query instead of hard-coded sql string to prevent sql-injection.