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<%@PageLanguage="C#"%>

<scriptrunat="server">

voidButton1_Click(objectsender,EventArgse)

{

for(inti=0;i<GridView1.Rows.Count;i++)

{

GridViewRowrow=GridView1.Rows[i];

SqlDataSource1.UpdateParameters[0].DefaultValue=((TextBox)row.Cells[0].FindControl("TextBox2")).Text;

SqlDataSource1.UpdateParameters[1].DefaultValue=((TextBox)row.Cells[1].FindControl("TextBox3")).Text;

SqlDataSource1.UpdateParameters[2].DefaultValue=GridView1.DataKeys[i].Value.ToString();

SqlDataSource1.Update();

}

}

</script>

<htmlxmlns="
<headrunat="server">

<title>UntitledPage</title>

</head>

<body>

<formid="form1"runat="server">

<div>

<asp:GridViewID="GridView1"Runat="server"DataSourceID="SqlDataSource1"DataKeyNames="CustomerID" AutoGenerateColumns="False">

<Columns>

<asp:TemplateFieldSortExpression="CustomerID"HeaderText="CustomerID">

<ItemTemplate>

<asp:TextBoxRunat="server"Text='<%#Bind("CustomerID")%>'ID="TextBox1"></asp:TextBox>

</ItemTemplate>

</asp:TemplateField>

<asp:TemplateFieldSortExpression="CompanyName"HeaderText="CompanyName">

<ItemTemplate>

<asp:TextBoxRunat="server"Text='<%#Bind("CompanyName")%>'ID="TextBox2"></asp:TextBox>

</ItemTemplate>

</asp:TemplateField>

<asp:TemplateFieldSortExpression="ContactName"HeaderText="ContactTitle">

<ItemTemplate>

<asp:TextBoxRunat="server"Text='<%#Bind("ContactTitle")%>'ID="TextBox3"></asp:TextBox>

</ItemTemplate>

</asp:TemplateField>

</Columns>

</asp:GridView>

<asp:SqlDataSourceID="SqlDataSource1"Runat="server"

SelectCommand="SELECT[CustomerID],[CompanyName],[ContactName],[ContactTitle]FROM[Customers]"

UpdateCommand="UPDATE[Customers]SET[CompanyName]=@CompanyName,[ContactTitle]=@ContactTitleWHERE[CustomerID]=@CustomerID"

ConnectionString="<%$ConnectionStrings:AppConnectionString1%>">

<UpdateParameters>

<asp:ParameterType="String"Name="CompanyName"></asp:Parameter>

<asp:ParameterType="String"Name="ContactTitle"></asp:Parameter>

<asp:ParameterType="String"Name="CustomerID"></asp:Parameter>

</UpdateParameters>

</asp:SqlDataSource>

<asp:ButtonID="Button1"Runat="server"Text="Button"OnClick="Button1_Click"/> 

</div>

</form>

</body>

</html>

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