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asp.net : Gridview not updating data
Hello,
I have a gridview wherein I've added functionality for Edit. Now, when I click on the Edit button, and modify a field, and click on the Update button, the new values disappear and the old values are retained. Here is my source code: <%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default.aspx.cs" Inherits="_Default" %> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" > <head runat="server"> <title>Untitled Page</title> </head> <body> <form id="form1" runat="server"> <div> <asp:GridView ID="GridView1" runat="server" AutoGenerateColumns="False" DataKeyNames="OrderID" DataSourceID="SqlDataSource1" AllowPaging="True" AllowSorting="True" OnRowDataBound="GridView1_RowDataBound" OnRowUpdated="GridView1_RowUpdated" OnRowUpdating="GridView1_RowUpdating"> <Columns> <asp:CommandField ShowSelectButton="True" ShowEditButton="True" /> <asp:BoundField DataField="OrderID" HeaderText="OrderID" InsertVisible="False" ReadOnly="True" SortExpression="OrderID" /> <asp:BoundField DataField="CustomerID" HeaderText="CustomerID" SortExpression="CustomerID" /> <asp:BoundField DataField="OrderDate" HeaderText="OrderDate" SortExpression="OrderDate" /> <asp:BoundField DataField="ShipCity" HeaderText="ShipCity" SortExpression="ShipCity" /> <asp:TemplateField HeaderText="EmployeeID" SortExpression="EmployeeID"> <ItemTemplate> <asp:GridView ID="GridView2" runat="server" AutoGenerateColumns="False" DataKeyNames="EmployeeID" DataSourceID="SqlDataSource2"> <Columns> <asp:CommandField ShowSelectButton="True" ShowEditButton="True" /> <asp:BoundField DataField ="EmployeeID" /> <asp:BoundField DataField="LastName" /> <asp:BoundField DataField ="FirstName" /> <asp:BoundField DataField ="Title" /> <asp:TemplateField HeaderText="City"> <EditItemTemplate> <asp:TextBox ID="TextBox1" runat="server"></asp:TextBox> </EditItemTemplate> <ItemTemplate> <asp:Label ID="Label1" runat="server" Text='<%# Bind("City") %>'></asp:Label> </ItemTemplate> </asp:TemplateField> </Columns> </asp:GridView> <asp:SqlDataSource ID="SqlDataSource2" runat="server" ConnectionString="<%$ ConnectionStrings:NorthwindConnectionString %>" SelectCommand='<%# Eval("EmployeeID", "Select EmployeeID, LastName, FirstName, Title, City from Employees where EmployeeID={0}")%>' UpdateCommand = '<%# Eval("EmployeeId" , "update employees set firstname=@firstname,lastname=@lastname,title=@title,city=@city where employeeid={0}")%>'></asp:SqlDataSource> </ItemTemplate> </asp:TemplateField> </Columns> </asp:GridView> <asp:SqlDataSource ID="SqlDataSource1" OldValuesParameterFormatString="original_{0}" runat="server" ConnectionString="<%$ ConnectionStrings:NorthwindConnectionString %>" SelectCommand="select * from orders" UpdateCommand="update orders set customerid=@customerid,orderdate=@orderdate,shipcity=@shipcity where employeeid=@employeeid"> <UpdateParameters> <asp:Parameter Name="customerid" /> <asp:Parameter Name="orderdate" /> <asp:Parameter Name="shipcity" /> <asp:Parameter Name="employeeid" /> <asp:Parameter Name="orderid" /> </UpdateParameters> </asp:SqlDataSource> </div> </form> </body> </html> Any help is greatly appreciated. Thanks in advance
Is it going into the Database? If it is, you may have to do a rebind?
[quoted text, click to view] "Avanti" wrote:
> Hello, > > I have a gridview wherein I've added functionality for Edit. Now, when > I click on the Edit button, and modify a field, and click on the Update > button, the new values disappear and the old values are retained. > > Here is my source code: > <%@ Page Language="C#" AutoEventWireup="true" > CodeFile="Default.aspx.cs" Inherits="_Default" %> > > <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" > "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> > > <html xmlns="http://www.w3.org/1999/xhtml" > > <head runat="server"> > <title>Untitled Page</title> > </head> > <body> > <form id="form1" runat="server"> > <div> > <asp:GridView ID="GridView1" runat="server" > AutoGenerateColumns="False" DataKeyNames="OrderID" > DataSourceID="SqlDataSource1" AllowPaging="True" > AllowSorting="True" OnRowDataBound="GridView1_RowDataBound" > OnRowUpdated="GridView1_RowUpdated" > OnRowUpdating="GridView1_RowUpdating"> > <Columns> > <asp:CommandField ShowSelectButton="True" > ShowEditButton="True" /> > <asp:BoundField DataField="OrderID" > HeaderText="OrderID" InsertVisible="False" ReadOnly="True" > SortExpression="OrderID" /> > <asp:BoundField DataField="CustomerID" > HeaderText="CustomerID" SortExpression="CustomerID" /> > <asp:BoundField DataField="OrderDate" > HeaderText="OrderDate" SortExpression="OrderDate" /> > <asp:BoundField DataField="ShipCity" > HeaderText="ShipCity" SortExpression="ShipCity" /> > <asp:TemplateField HeaderText="EmployeeID" > SortExpression="EmployeeID"> > <ItemTemplate> > <asp:GridView ID="GridView2" runat="server" > AutoGenerateColumns="False" > DataKeyNames="EmployeeID" DataSourceID="SqlDataSource2"> > <Columns> > <asp:CommandField ShowSelectButton="True" > ShowEditButton="True" /> > <asp:BoundField DataField ="EmployeeID" /> > <asp:BoundField DataField="LastName" /> > <asp:BoundField DataField ="FirstName" /> > <asp:BoundField DataField ="Title" /> > <asp:TemplateField HeaderText="City"> > <EditItemTemplate> > <asp:TextBox ID="TextBox1" > runat="server"></asp:TextBox> > </EditItemTemplate> > <ItemTemplate> > <asp:Label ID="Label1" > runat="server" Text='<%# Bind("City") %>'></asp:Label> > </ItemTemplate> > </asp:TemplateField> > </Columns> > > > > </asp:GridView> > <asp:SqlDataSource ID="SqlDataSource2" > runat="server" ConnectionString="<%$ > ConnectionStrings:NorthwindConnectionString %>" SelectCommand='<%# > Eval("EmployeeID", "Select EmployeeID, LastName, FirstName, Title, City > from Employees where EmployeeID={0}")%>' UpdateCommand = '<%# > Eval("EmployeeId" , "update employees set > firstname=@firstname,lastname=@lastname,title=@title,city=@city where > employeeid={0}")%>'></asp:SqlDataSource> > </ItemTemplate> > </asp:TemplateField> > </Columns> > </asp:GridView> > <asp:SqlDataSource ID="SqlDataSource1" > OldValuesParameterFormatString="original_{0}" > runat="server" ConnectionString="<%$ > ConnectionStrings:NorthwindConnectionString %>" > SelectCommand="select * from orders" UpdateCommand="update > orders set > customerid=@customerid,orderdate=@orderdate,shipcity=@shipcity where > employeeid=@employeeid"> > <UpdateParameters> > <asp:Parameter Name="customerid" /> > <asp:Parameter Name="orderdate" /> > <asp:Parameter Name="shipcity" /> > <asp:Parameter Name="employeeid" /> > <asp:Parameter Name="orderid" /> > </UpdateParameters> > </asp:SqlDataSource> > > </div> > </form> > </body> > </html> > > Any help is greatly appreciated. > Thanks in advance >
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