I'm geting data from database in combobox. But after selecting any item from combobox, I don't get related record in related textbox.

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C#

private void comboBox3_SelectedIndexChanged(object sender, EventArgs e)
{
    SqlDataAdapter da = new SqlDataAdapter("select * from GateEntry where Delivery   ='" + comboBox3.SelectedValue.ToString() + "'", objConn1);
    DataSet ds = new DataSet();
    da.Fill(ds, "dbo.GateEntry");
    if (ds.Tables["dbo.GateEntry"].Rows.Count > 0)
    {
        textBox3.Text = ds.Tables["GateEntry"].Rows[0]["Customer"].ToString();
        textBox1.Text = ds.Tables["GateEntry"].Rows[0]["Delivery"].ToString();
        comboBox1.SelectedItem = ds.Tables["GateEntry"].Rows[0]["Mode"].ToString();
        comboBox2.SelectedItem = ds.Tables["GateEntry"].Rows[0]["Inout"].ToString();
        textBox2.Text = ds.Tables["GateEntry"].Rows[0]["boxes"].ToString();
        dateTimePicker1.Value = Convert.ToDateTime(ds.Tables["GateEntry"].Rows[0]["Time"].ToString());
        textBox4.Text = ds.Tables["GateEntry"].Rows[0]["Person"].ToString();
        textBox5.Text = ds.Tables["GateEntry"].Rows[0]["Approved"].ToString();

    }
    else 
    {
    
    }
}

Posted 13-Sep-12 22:54pm

Master Vinu

Updated 13-Sep-12 23:05pm

Malli_S

v2

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Adittya Gupta 14-Sep-12 9:22am

Do you have DataValueField and DataTextField same or different.

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V_R · Answer 1 · 2012-09-14T00:14:00

Solution 1

Your code is correct but try this also.

C#

SqlDataAdapter da = new SqlDataAdapter("select * from GateEntry where Delivery   ='" + comboBox3.SelectedValue.ToString().Trim() + "'", objConn1);


SqlDataAdapter da = new SqlDataAdapter("select * from GateEntry where Delivery   LIKE'" + comboBox3.SelectedValue.ToString() + "%'", objConn1);

hope any of these help you..

Posted 14-Sep-12 0:14am

V_R

Comments

[no name] 14-Sep-12 7:27am

So... you counsel people to write code that exposes themselves to SQL injection attacks?