I want to open a form and pass value to that opened form's textbox. I tried the following code

private void UpdateTransaction(object sender, EventArgs e)
{
    if (this.dgvTransactionTable.SelectedRows.Count != 0)
    {
        DataGridViewRow row = this.dgvTransactionTable.SelectedRows[0];
        int id = Convert.ToInt32(row.Cells["id"].Value);
        SqlConnection con = new SqlConnection(connectionString);
        if (con.State == ConnectionState.Closed)
        {
            con.Open();
        }

        SqlCommand cmd = new SqlCommand("SELECT * FROM  transactions where id = '"   id   "'", con);
        SqlDataReader dt= cmd.ExecuteReader();
        if (dt.Read()) 
        {
            TransactionView transactionView = new TransactionView();
            transactionView.Show();
            transactionView.txtTransactionName = dt.GetValue(0).ToString();
            transactionView.cmbTransactionCategory = dt.GetValue(1).ToString();
            transactionView.dateTransaction = dt.GetValue(2).ToString();
            transactionView.txtTransactionName = dt.GetValue(3).ToString();
        }


    }
    else
    {
        MessageBox.Show("Please Choose a Row", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
        return;
    }
}

but there is an error in the following section

 transactionView.txtTransactionName = dt.GetValue(0).ToString();
 transactionView.cmbTransactionCategory = dt.GetValue(1).ToString();
 transactionView.dateTransaction = dt.GetValue(2).ToString(); 
 transactionView.txtTransactionName = dt.GetValue(3).ToString();

"cannot convert type string to system windows.forms.textbox

How to fix this problem

Thank you

CodePudding user response：

You need to add .Text to your code to set the Text property of the controls.

Example:

transactionView.txtTransactionName.Text = dt.GetValue(0).ToString();