dynamic control
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hi I have created one method createdropdown()in that i had create one dynamic dropdownlist and in selectindexchange of that dropdownlist i had created another dynamic dropdownlist and again selectedindexchange of the second dropdown . but when i run this code it will call first selectedindexchange when i select the dropdownvalue but it want call second selectedindexchange. i had done autopostBack=true for both the dropdownlist. Please Help It is some urgent Task that i have to complet. in the below ddl_SelectedIndexChanged() is call but ddl2____SelectedIndexChanged is not fired.....?
// Add DropDownList Control to Placeholder private void CreateDropDownBoxes() { //int counter= Convert[ViewState ("counter"),Int32]; for (int counter = 0; counter <= NumberOfControls; counter++) { DropDownList ddl = new DropDownList(); ddl.ID = "DropDownList_ID" + (counter + 1).ToString(); ddl.AutoPostBack = true; ddl.AppendDataBoundItems = true; ddl.SelectedIndexChanged += new EventHandler(ddl_SelectedIndexChanged); DataTable dt = new DataTable(); dt = getdata_workspace(); ddl.DataSource = dt; ddl.DataTextField = "displayedname"; ddl.DataValueField = "id"; ddl.DataBind(); phDropDownLists.Controls.Add(ddl); phDropDownLists.Controls.Add(new LiteralControl(" ")); } } public void ddl_SelectedIndexChanged(object sender, EventArgs e) { int n = this.NumberOfControls; for (int i = 0; i < n; i++) { SqlConnection conn = new SqlConnection(connStr); string boxName = "DropDownList_ID" + (i + 1).ToString(); DropDownList ddl2_ = phDropDownLists.FindControl(boxName) as DropDownList; DropDownList ddl2___ = new DropDownList(); ddl2___.ID = "DropDownList__" + (i + 1).ToString(); ddl2___.AutoPostBack = true; ddl2___.AppendDataBoundItems = true; ddl2___.EnableViewState = true; SqlCommand cmd = new SqlCommand("select * from unit where workspaceid='" + ddl2_.SelectedValue + "'", conn); conn.Open(); SqlDataReader dr = cmd.ExecuteReader(); while (dr.Read()) { ddl2___.Items.Add( -
hi I have created one method createdropdown()in that i had create one dynamic dropdownlist and in selectindexchange of that dropdownlist i had created another dynamic dropdownlist and again selectedindexchange of the second dropdown . but when i run this code it will call first selectedindexchange when i select the dropdownvalue but it want call second selectedindexchange. i had done autopostBack=true for both the dropdownlist. Please Help It is some urgent Task that i have to complet. in the below ddl_SelectedIndexChanged() is call but ddl2____SelectedIndexChanged is not fired.....?
// Add DropDownList Control to Placeholder private void CreateDropDownBoxes() { //int counter= Convert[ViewState ("counter"),Int32]; for (int counter = 0; counter <= NumberOfControls; counter++) { DropDownList ddl = new DropDownList(); ddl.ID = "DropDownList_ID" + (counter + 1).ToString(); ddl.AutoPostBack = true; ddl.AppendDataBoundItems = true; ddl.SelectedIndexChanged += new EventHandler(ddl_SelectedIndexChanged); DataTable dt = new DataTable(); dt = getdata_workspace(); ddl.DataSource = dt; ddl.DataTextField = "displayedname"; ddl.DataValueField = "id"; ddl.DataBind(); phDropDownLists.Controls.Add(ddl); phDropDownLists.Controls.Add(new LiteralControl(" ")); } } public void ddl_SelectedIndexChanged(object sender, EventArgs e) { int n = this.NumberOfControls; for (int i = 0; i < n; i++) { SqlConnection conn = new SqlConnection(connStr); string boxName = "DropDownList_ID" + (i + 1).ToString(); DropDownList ddl2_ = phDropDownLists.FindControl(boxName) as DropDownList; DropDownList ddl2___ = new DropDownList(); ddl2___.ID = "DropDownList__" + (i + 1).ToString(); ddl2___.AutoPostBack = true; ddl2___.AppendDataBoundItems = true; ddl2___.EnableViewState = true; SqlCommand cmd = new SqlCommand("select * from unit where workspaceid='" + ddl2_.SelectedValue + "'", conn); conn.Open(); SqlDataReader dr = cmd.ExecuteReader(); while (dr.Read()) { ddl2___.Items.Add(When do you create them ? Early enough that they are in the control tree when viewstate is restored ?
Christian Graus - Microsoft MVP - C++ "I am working on a project that will convert a FORTRAN code to corresponding C++ code.I am not aware of FORTRAN syntax" ( spotted in the C++/CLI forum )