<% @ Page Language = "C #" codebehind = "multi-row input submission. aspx. cs" autoeventwireup = "false" inherits = "bstest2005_8_16.samples. multi-row input submission" %>
<! Doctype HTML public "-// W3C // dtd html 4.0 transitional // en">
<HTML>
<Head>
<Title> submit multiple rows </title>
<Meta name = "generator" content = "Microsoft Visual Studio. NET 7.1">
<Meta name = "code_language" content = "C #">
<Meta name = "vs_defaultclientscript" content = "JavaScript">
<Meta name = "vs_targetschema" content = "http://schemas.microsoft.com/intellisense/ie5">
</Head>
<Body ms_positioning = "gridlayout">
<Form ID = "form1" method = "Post" runat = "server">
<Asp: DataGrid id = "datagrid1" style = "Z-INDEX: 101; left: 32px; position: absolute; top: 32px" runat = "server"
Autogeneratecolumns = "false">
<Columns>
<Asp: templatecolumn headertext = "ID">
<Itemtemplate>
<% # "--" + Databinder. eval (container. dataitem, "ID") %>
</Itemtemplate>
<Edititemtemplate>
<Asp: dropdownlist id = "dropdownlist1" runat = "server">
<Asp: listitem value = "AAA"> AAA </ASP: listitem>
<Asp: listitem value = "BBB"> BBB </ASP: listitem>
<Asp: listitem value = "CCC"> CCC </ASP: listitem>
</ASP: dropdownlist>
</Edititemtemplate>
</ASP: templatecolumn>
<Asp: boundcolumn datafield = "name" headertext = "name"> </ASP: boundcolumn>
</Columns>
</ASP: DataGrid>
<Asp: button id = "btnaddnew" style = "Z-INDEX: 102; left: 560px; position: absolute; top: 64px"
Runat = "server" text = "addnew"> </ASP: button>
<Asp: button id = "btnsave" style = "Z-INDEX: 103; left: 560px; position: absolute; top: Running PX" runat = "server"
TEXT = "Submit"> </ASP: button>
</Form>
</Body>
</Html>
-----------------------------------------------------------------------------
Using system;
Using system. Data;
Using system. Web. UI. webcontrols;
Namespace bstest2005_8_16.samples
{
/// <Summary>
/// Multi-row input and submission abstract description.
/// </Summary>
Public class multi-line Input submission: system. Web. UI. Page
{
Protected system. Web. UI. webcontrols. Button btnaddnew;
Protected system. Web. UI. webcontrols. Button btnsave;
Protected system. Web. UI. webcontrols. DataGrid datagrid1;
/// <Summary>
/// Attribute: DataSet currently being edited
/// </Summary>
Private datatable currentdata
{
Get
{
Return (viewstate ["_ currentdata"] = NULL )? Createtable () :( datatable) viewstate ["_ currentdata"];
}
Set
{
Viewstate ["_ currentdata"] = value;
}
}
private void page_load (Object sender, system. eventargs e)
{< br> // place the user Code here to initialize the page
If (! Ispostback)
{< br> This. datagrid1.datasource = This. currentdata;
This. datagrid1.databind ();
}< BR >}
Private datatable createtable ()
{
Datatable dt = new datatable ();
DT. Columns. Add ("ID ");
DT. Columns. Add ("name ");
DT. acceptchanges ();
Return DT;
}
Private void collectdatafromgrid ()
{
Datatable dt = This. currentdata;
If (Dt. Rows. Count> 0)
{
Dropdownlist ddlst = This. Maid [Maid]. cells [0]. findcontrol ("dropdownlist1") as dropdownlist;
DT. Rows [DT. Rows. Count-1] ["ID"] = ddlst. selectedvalue;
DT. rows [DT. rows. count-1] ["name"] = (textbox) This. datagrid1.items [datagrid1.edititemindex]. cells [1]. controls [0]). text;
}
This. currentdata = DT;
}
Private void btnaddnew_click (Object sender, system. eventargs E)
{
Collectdatafromgrid (); // collect input from the previous row
// Add a new empty row
datatable dt = this. currentdata;
datarow r = DT. newrow ();
DT. rows. add (r);
// locate the new row in the current edit row
This. datagrid1.edititemindex = DT. rows. count-1;
This. datagrid1.datasource = DT;
This. datagrid1.databind ();
}
Private void btnsave_click (Object sender, system. eventargs E)
{
Datatable dt = This. currentdata; // obtain the final multi-row data
// Save it to the database. There are two implementation methods: The dataadapter. Update method and the SQL statement.
}
# Code generated by region web Form Designer
Override protected void oninit (eventargs E)
{
//
// Codegen: This call is required by the ASP. NET web form designer.
//
Initializecomponent ();
Base. oninit (E );
}
/// <Summary>
/// The designer supports the required methods-do not use the code editor to modify
/// Content of this method.
/// </Summary>
Private void initializecomponent ()
{
This. btnaddnew. Click + = new system. eventhandler (this. btnaddnew_click );
This. btnsave. Click + = new system. eventhandler (this. btnsave_click );
This. Load + = new system. eventhandler (this. page_load );
}
# Endregion
}
}
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