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asp.net datagrid control : Programmatically assign dropdownList to a GridView control
When you say "programmatically" do you mean adding the code based on an event? Otherwise, it is quite easy to include a dropdownlist that's bound to a field. See the code below. Likewise, what do you mean by "autogenerated"? You can uses images in template columns. Perhaps you could show us the code you have so far? Anyway, I've inserted some code below in case it helps. Ken Microsoft MVP [ASP.NET] <%@ Page Language="VB" %> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" > <head id="hd" runat="server"> <title>Dropdownlist in GridView - Ken Cox [MVP]</title> </head> <body> <form id="form1" runat="server"> <div> <asp:GridView id="gvProducts" DataSourceID="sqldsProducts" DataKeyNames="ProductId" AutoGenerateColumns="False" AutoGenerateEditButton="False" Runat="server"> <Columns> <asp:templatefield showheader="False"> <edititemtemplate> <asp:linkbutton id="LinkButton1" runat="server" causesvalidation="True" commandname="Update" text="Update"></asp:linkbutton> <asp:linkbutton id="LinkButton2" runat="server" causesvalidation="False" commandname="Cancel" text="Cancel"></asp:linkbutton> </edititemtemplate> <itemtemplate> <asp:imagebutton id="ImageEdit" runat="server" causesvalidation="False" commandname="Edit" imageurl="http://eus.amrinteractive.com.au/EUS/config/Edit.JPG" /> </itemtemplate> </asp:templatefield> <asp:TemplateField HeaderText="Product"> <ItemTemplate> <%#Eval("ProductName")%> </ItemTemplate> <EditItemTemplate> <asp:textbox id="txtProductName" runat="server" text='<%# Bind("ProductName")%>'> </asp:textbox> <asp:requiredfieldvalidator id="rqdProductName" runat="server" controltovalidate="txtProductName" text="Please provide a product name."> </asp:requiredfieldvalidator> </EditItemTemplate> </asp:TemplateField> <asp:TemplateField HeaderText="Category"> <ItemTemplate> <%#Eval("CategoryName")%> </ItemTemplate> <EditItemTemplate> <asp:DropDownList id="ddlCategory" DataSourceID="sqldsCategories" DataTextField="CategoryName" DataValueField="CategoryId" SelectedValue='<%#Bind("CategoryId")%>' Runat="server" /> </EditItemTemplate> </asp:TemplateField> </Columns> </asp:GridView> <asp:sqldatasource id="sqldsProducts" runat="server" connectionstring= '<%$ ConnectionStrings:NorthwindConnectionString %>' selectcommand="SELECT Products.ProductId, Products.ProductName, Products.CategoryId, Categories.CategoryName FROM Products JOIN Categories ON Categories.CategoryId = Products.CategoryId" updatecommand="UPDATE Products SET ProductName=@ProductName, CategoryId=@CategoryId WHERE ProductId=@ProductId"> </asp:sqldatasource> <asp:sqldatasource id="sqldsCategories" runat="server" connectionstring= '<%$ ConnectionStrings:NorthwindConnectionString %>' selectcommand="SELECT CategoryId, CategoryName FROM Categories"> </asp:sqldatasource> </div> </form> </body> </html> [quoted text, click to view] "Philjo" <philip.joseph@uk.flovate.com> wrote in message news:ur9mWrK3GHA.3812@TK2MSFTNGP06.phx.gbl... > Folks, > > > > I am looking for some good samples which describe how we can > programmatically assign the following stuffs to a GridView control. > > > > 1. Association of a dropdownList with its data source to a grid column > using EditItemTemplate > > 2. Can I change the auto generated Edit, Update or Delete buttons in the > grid to an Image? > > > > Thanks in advance > > Philjo >
Folks,
I am looking for some good samples which describe how we can programmatically assign the following stuffs to a GridView control. 1. Association of a dropdownList with its data source to a grid column using EditItemTemplate 2. Can I change the auto generated Edit, Update or Delete buttons in the grid to an Image? Thanks in advance Philjo
Ken,
Thanks for your info. Basically I am not looking for a code that defined at the design time like below. I am curiously looking for a sample code that defines the template columns, association of dropdownlist to a column while editing etc. from the code behind using C#. Also the "autogenerated links", I mentioned below is for the links which are automatically created by the designer when we set the properties AutoGenerateDeleteButton="True" / AutoGenerateEditButton="True". I like to change these links to an Image. Thanks Philjo [quoted text, click to view] "Ken Cox [Microsoft MVP]" <BANSPAMkjopc@newsgroups.nospam> wrote in message news:u9qgJVM3GHA.4364@TK2MSFTNGP06.phx.gbl... > Hi Philjo, > > When you say "programmatically" do you mean adding the code based on an > event? Otherwise, it is quite easy to include a dropdownlist that's bound > to a field. See the code below. > > Likewise, what do you mean by "autogenerated"? You can uses images in > template columns. > > Perhaps you could show us the code you have so far? > > Anyway, I've inserted some code below in case it helps. > > Ken > Microsoft MVP [ASP.NET] > > <%@ Page Language="VB" %> > <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" > "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd"> > <html xmlns="http://www.w3.org/1999/xhtml" > > <head id="hd" runat="server"> > <title>Dropdownlist in GridView - Ken Cox [MVP]</title> > </head> > <body> > <form id="form1" runat="server"> > <div> > <asp:GridView > id="gvProducts" > DataSourceID="sqldsProducts" > DataKeyNames="ProductId" > AutoGenerateColumns="False" > AutoGenerateEditButton="False" > Runat="server"> > <Columns> > <asp:templatefield showheader="False"> > <edititemtemplate> > <asp:linkbutton id="LinkButton1" runat="server" > causesvalidation="True" commandname="Update" > text="Update"></asp:linkbutton> > <asp:linkbutton id="LinkButton2" runat="server" > causesvalidation="False" commandname="Cancel" > text="Cancel"></asp:linkbutton> > </edititemtemplate> > <itemtemplate> > <asp:imagebutton id="ImageEdit" runat="server" > causesvalidation="False" commandname="Edit" > imageurl="http://eus.amrinteractive.com.au/EUS/config/Edit.JPG" /> > </itemtemplate> > </asp:templatefield> > <asp:TemplateField HeaderText="Product"> > <ItemTemplate> > <%#Eval("ProductName")%> > </ItemTemplate> > <EditItemTemplate> > <asp:textbox id="txtProductName" > runat="server" > text='<%# Bind("ProductName")%>'> > </asp:textbox> > <asp:requiredfieldvalidator > id="rqdProductName" > runat="server" > controltovalidate="txtProductName" > text="Please provide a product name."> > </asp:requiredfieldvalidator> > </EditItemTemplate> > </asp:TemplateField> > <asp:TemplateField HeaderText="Category"> > <ItemTemplate> > <%#Eval("CategoryName")%> > </ItemTemplate> > <EditItemTemplate> > <asp:DropDownList > id="ddlCategory" > DataSourceID="sqldsCategories" > DataTextField="CategoryName" > DataValueField="CategoryId" > SelectedValue='<%#Bind("CategoryId")%>' > Runat="server" /> > </EditItemTemplate> > </asp:TemplateField> > > </Columns> > </asp:GridView> > > <asp:sqldatasource id="sqldsProducts" > runat="server" > connectionstring= > '<%$ ConnectionStrings:NorthwindConnectionString %>' > selectcommand="SELECT Products.ProductId, > Products.ProductName, Products.CategoryId, > Categories.CategoryName > FROM Products JOIN Categories > ON Categories.CategoryId = Products.CategoryId" > updatecommand="UPDATE Products SET ProductName=@ProductName, > CategoryId=@CategoryId > WHERE ProductId=@ProductId"> > </asp:sqldatasource> > > <asp:sqldatasource id="sqldsCategories" > runat="server" > connectionstring= > '<%$ ConnectionStrings:NorthwindConnectionString %>' > selectcommand="SELECT CategoryId, > CategoryName FROM Categories"> > </asp:sqldatasource> > </div> > </form> > </body> > </html> > > > "Philjo" <philip.joseph@uk.flovate.com> wrote in message > news:ur9mWrK3GHA.3812@TK2MSFTNGP06.phx.gbl... >> Folks, >> >> >> >> I am looking for some good samples which describe how we can >> programmatically assign the following stuffs to a GridView control. >> >> >> >> 1. Association of a dropdownList with its data source to a grid column >> using EditItemTemplate >> >> 2. Can I change the auto generated Edit, Update or Delete buttons in the >> grid to an Image? >> >> >> >> Thanks in advance >> >> Philjo >> > >
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