Databound SqlDataSource DropDownList Values

Question

1.00/5 (2 votes)

See more:

I have two dropdownlists that are databound to a sqldatasource. When I select a name of a school in the first ddl I would like the second to show only years that matches that school. So far this is not working. Can someone help me because I think I am stuck.

C#

protected void DropDownListSchools_SelectedIndexChanged(object sender, EventArgs e)
    {
        SqlConnection con = new SqlConnection(System.Configuration.ConfigurationManager.ConnectionStrings["PasswordConnectionString"].ConnectionString);
        con.Open();
 
        lblINST_ID.Text = DropDownListSchools.SelectedValue;
 

 

    }
    protected void DropDownListCFY1_SelectedIndexChanged(object sender, EventArgs e)
    {
        SqlConnection con = new SqlConnection(System.Configuration.ConfigurationManager.ConnectionStrings["PasswordConnectionString"].ConnectionString);
        con.Open();
        SqlCommand scmd = new SqlCommand("Select TOTASSETS, TOTLIABILITY from TableFIN where INST_ID = " + DropDownListCFY1.SelectedValue.ToString(), con);
       
        SqlDataReader dr = scmd.ExecuteReader();
        if (dr.Read())
        {
            TextBoxTA1.Text = dr["TOTASSETS"].ToString();
 
            TextBoxTL1.Text = dr["TOTLIABILITY"].ToString();
 
            
 
        }
        dr.Close();
        con.Close();

Posted 6-Sep-13 2:13am

Computer Wiz99

Add a Solution

1 solution

Add a Solution

Add your solution here

Treat my content as plain text, not as HTML

Preview 0

…

Existing Members

Sign in to your account

...or Join us

Download, Vote, Comment, Publish.

Your Email
Password
Forgot your password?

Your Email
This email is in use. Do you need your password?
Optional Password

I have read and agree to the Terms of Service and Privacy Policy
Please subscribe me to the CodeProject newsletters

When answering a question please:

Read the question carefully.
Understand that English isn't everyone's first language so be lenient of bad spelling and grammar.
If a question is poorly phrased then either ask for clarification, ignore it, or edit the question and fix the problem. Insults are not welcome.
Don't tell someone to read the manual. Chances are they have and don't get it. Provide an answer or move on to the next question.

Let's work to help developers, not make them feel stupid.

This content, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)

Tom Marvolo Riddle · Accepted Answer · 2013-09-06T02:23:00

1.Call the DropDownListCFY1 in DropDownListSchools_SelectedIndexChanged()

2.There is no need for DropDownListCFY1 SelectedIndexChanged event

3.set autopastback=true for DropDownListCFY1

protected void DropDownListSchools_SelectedIndexChanged(object sender, EventArgs e)
{
SqlConnection con = new SqlConnection(System.Configuration.ConfigurationManager.ConnectionStrings["PasswordConnectionString"].ConnectionString);
con.Open();

lblINST_ID.Text = DropDownListSchools.SelectedValue;

DropDownListCFY1();

}
protected void DropDownListCFY1()
{
SqlConnection con = new SqlConnection(System.Configuration.ConfigurationManager.ConnectionStrings["PasswordConnectionString"].ConnectionString);
con.Open();
SqlCommand scmd = new SqlCommand("Select TOTASSETS, TOTLIABILITY from TableFIN where INST_ID = " + DropDownListCFY1.SelectedValue.ToString(), con);

SqlDataReader dr = scmd.ExecuteReader();
if (dr.Read())
{
TextBoxTA1.Text = dr["TOTASSETS"].ToString();

TextBoxTL1.Text = dr["TOTLIABILITY"].ToString();

}
dr.Close();
con.Close();