推荐:在ASP.NET程序中创建唯一序号如果在程序中需要创建全局唯一的序号,那么必须对创建序号的过程进行同步处理,防止多个并发访问时出现相同序号的情况。下面列出几种方法供大家参考。利用数据库的方法后面的例子都基于MS
看了下国外某巨牛的BLOG,大概是讲asp.net 2.0中用GRIDVIEW插入新记录的,方法比较特别,但效果一般,故将程序转之,较为简单,不做解释等。
以下为引用的内容: <%@ Page Language="C#" ClassName="Default_aspx" %> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd"> <script runat="server"> GridView1.ShowFooter = false; } GridView1.ShowFooter = true; } void Button1_Click(object sender, EventArgs e) { TextBox companyName = GridView1.FooterRow.FindControl("CompanyNameTextBox") as TextBox; DropDownList ContactTitle = GridView1.FooterRow.FindControl("ContactTitleDropDownList") as DropDownList; SqlDataSource1.InsertParameters["CustomerID"].DefaultValue = customerID.Text; SqlDataSource1.InsertParameters["CompanyName"].DefaultValue = companyName.Text; SqlDataSource1.InsertParameters["ContactTitle"].DefaultValue = ContactTitle.SelectedValue; SqlDataSource1.Insert(); }
<html xmlns="http://www.w3.org/1999/xhtml" > <head id="Head1" runat="server"> <title>Untitled Page</title> </head> <body> <form id="form1" runat="server"> <div>
AutoGenerateColumns="False" ShowFooter="True"> <Columns> <asp:TemplateField> <ItemTemplate> <asp:Label ID="CustomerIDLabel" Runat="Server"><%# Eval("CustomerID") %></asp:Label> </ItemTemplate> <FooterTemplate> <asp:TextBox ID="CustomerIDTextBox" Runat="server"></asp:TextBox> </FooterTemplate> </asp:TemplateField> <asp:TemplateField> <ItemTemplate> <asp:Label ID="CompanyNameLabel" Runat="Server"><%# Eval("CompanyName") %></asp:Label> </ItemTemplate> <FooterTemplate> <asp:TextBox ID="CompanyNameTextBox" Runat="server"></asp:TextBox> </FooterTemplate> </asp:TemplateField> <asp:TemplateField> <FooterTemplate> <asp:DropDownList ID="ContactTitleDropDownList" Runat="server" DataSourceID="SqlDataSource2" DataTextField="ContactTitle" DataValueField="ContactTitle"> </asp:DropDownList> <asp:SqlDataSource ID="SqlDataSource2" Runat="server" SelectCommand="SELECT DISTINCT [ContactTitle] FROM [Customers]" ConnectionString="server=localhost;uid=sa;password=xxx;database=northwind"> </asp:SqlDataSource> <asp:Button ID="Button1" Runat="server" Text="Add" OnClick="Button1_Click" /> </FooterTemplate> <ItemTemplate> <asp:DropDownList ID="ContactTitleDropDown" SelectedValue='<%# Bind("ContactTitle") %>' Runat="Server" DataSourceID="SqlDataSource3" DataTextField="ContactTitle" DataValueField="ContactTitle" ></asp:DropDownList> <asp:SqlDataSource ID="SqlDataSource3" Runat="server" SelectCommand="SELECT DISTINCT [ContactTitle] FROM [Customers]" ConnectionString="server=localhost;uid=sa;password=xxx;database=northwind" EnableCaching="True"> </asp:SqlDataSource> </ItemTemplate> </asp:TemplateField> </Columns> </asp:GridView> <asp:SqlDataSource ID="SqlDataSource1" Runat="server" InsertCommand="INSERT INTO [Customers] ([CustomerID], [CompanyName], [ContactTitle]) VALUES (@CustomerID, @CompanyName, @ContactTitle)" SelectCommand="SELECT [CustomerID], [CompanyName], [ContactTitle] FROM [Customers]" ConnectionString="server=localhost;uid=sa;password=xxxxx;database=northwind"> <DeleteParameters> <asp:Parameter Type="String" Name="CustomerID"></asp:Parameter> </DeleteParameters> <UpdateParameters> <asp:Parameter Type="String" Name="CompanyName"></asp:Parameter> <asp:Parameter Type="String" Name="ContactTitle"></asp:Parameter> <asp:Parameter Type="String" Name="CustomerID"></asp:Parameter> </UpdateParameters> <InsertParameters> <asp:Parameter Type="String" Name="CustomerID"></asp:Parameter> <asp:Parameter Type="String" Name="CompanyName"></asp:Parameter> <asp:Parameter Type="String" Name="ContactTitle"></asp:Parameter> </InsertParameters> </asp:SqlDataSource> </div> </form> </body> </html> |
分享:一个功能齐全的DataGrid分页例子以下为引用的内容: C#版本 DataGridPaging.aspx <%@ Page language="c#" EnableViewState
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