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New Message on BDOTNET
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From: talktopavan
Message 1 in Discussion
Hi ,
I am unbale to add a dropdown button dynamically in a webform it say
" Control 'cboSystem' of type 'DropDownList' must be placed inside a form tag with
runat=server. "
I am calling the following code on cboProblem selected indexed changed event.
I am sending the code along with this ..
Regards
Pavan
private void cboProblem_SelectedIndexChanged(object sender, System.EventArgs e)
{
strQuery="Select * From RuleDefinitions where Rule_ID IN (";
strQuery =strQuery + "select Rule_ID from GrammarDefinitions where Grammar_ID =(
select Grammar_ID from Grammars where Grammar_ID = 1))";
strQuery =strQuery + "and Rule_ID in( select Rule_ID from RuleDefinitions Where
Rule_id="+cboProblem.Items[cboProblem.SelectedIndex].Value +")";
objCom=new SqlCommand();
objCom.CommandText=strQuery;
objCom.CommandType=CommandType.Text;
objCom.Connection=objCon;
objDr=objCom.ExecuteReader();
System.Web.UI.WebControls.DropDownList cboSystem =new
System.Web.UI.WebControls.DropDownList();
cboSystem.ID="cboSystem";
cboSystem.Style.Add("Z-INDEX","102");
cboSystem.Style.Add("LEFT","320px");
cboSystem.Style.Add("POSITION","absolute");
cboSystem.Style.Add("TOP","64px");
//cboSystem.Width="152px";
cboSystem.AutoPostBack=true;
cboSystem.Items.Add( new ListItem("Select Any System","-1"));
while(objDr.Read())
{
cboSystem.Items.Add( new
ListItem(objDr.GetString(objDr.GetOrdinal("Rule_value")),objDr.GetSqlValue(3).ToString()));
}
Page.Controls.Add(cboSystem);
objDr.Close();
}
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