CODEWITHSUNDEEP
c#asp.netdrop-down-menuselectedindexchanged
parveen
parveen

Reputation: 129

in dropdownlist selectedindexchanged event doesnt change its state

In the following code everytime its taking only one item from dropdownlist. When I select any other item from dropdownlist its same as first item.

Please give solution

protected void DropDownList1_SelectedIndexChanged(object sender, EventArgs e)
{
    DataSet _subcat = new DataSet();
    _subcat = serviceus.Get_SERVICEUS_SUB_CATEGORYLIST(DropDownList1.SelectedValue.ToString());
    lbsubcategory.DataSource = _subcat.Tables[0].DefaultView;
    lbsubcategory.DataTextField = Convert.ToString(_subcat.Tables[0].Columns["CATEGORY_SUB1_NAME"].ColumnName);
    lbsubcategory.DataBind();
    Label5.Visible = true;
}

Upvotes: 0

Views: 1810

Answers (3)

Par6
Par6

Reputation: 389

EnableViewState="False" on the lbsubcategory.

Assuming AutoPostBack="True" OnSelectedIndexChanged="DropDownList1_SelectedIndexChanged"

Upvotes: 0

Canavar
Canavar

Reputation: 48088

Check how you bind your dropdownlist. I think you're binding it everytime your page posts back to server. Try to use IsPostBack property of the page : 

if (!IsPostBack){
   DropDownList1.DataSource = datasource;
   DropDownList1.DataBind();
}

Upvotes: 1

djeeg
djeeg

Reputation: 6765

Do you have:

if(!IsPostBack) {
    DataBind();
}

around your initial databind (eg in OnLoad)

Upvotes: 0

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