如何使用存储过程实现Gridview自定义分页？

Question

有人可以将我重定向到您自己的博客链接或任何其他链接，解释有关如何使用存储过程实现 gridview 自定义分页的完整教程吗？

我在 google 中的搜索给了我 2006 年的旧文章。现在我正在使用 asp.net 3.5 和 c#。

Answer 1

.aspx 页面

    <asp:DropDownList ID="ddlSelector" AutoPostBack="true" runat="server" 
        onselectedindexchanged="ddlSelector_SelectedIndexChanged" >
        <asp:ListItem>Employee</asp:ListItem>
        <asp:ListItem>Customer</asp:ListItem>
    </asp:DropDownList>

    <asp:Button ID="btnSearch" runat="server" onclick="btnSearch_Click" Text="Search" />

    <br />
    <table>
        <tr>
            <td class="txtclmn">
                First Name:</td>
            <td>
                <asp:TextBox ID="txtFname" runat="server"></asp:TextBox>
            </td>
            <td class="txtclmn">
                Last Name:</td>
            <td>
                <asp:TextBox ID="txtLname" runat="server"></asp:TextBox>
            </td>
        </tr>
        <tr>
            <td class="txtclmn">
                Middle Name:</td>
            <td>
                <asp:TextBox ID="txtMname" runat="server"></asp:TextBox>
            </td>
            <td class="txtclmn">
                Phone Number:</td>
            <td>
                <asp:TextBox ID="txtPhone" runat="server"></asp:TextBox>
            </td>
        </tr>
        <tr>
            <td class="txtclmn">
                Email Address:</td>
            <td>
                <asp:TextBox ID="txtEmail" runat="server"></asp:TextBox>
            </td>
            <td class="txtclmn">
            </td>
            <td>
            </td>

        </tr>

    </table>
    <div runat="server" id="empCriteria">
    <table >
        <tr>
            <td class="txtclmn">
                <asp:Label ID="lblHdate" runat="server" Text="Hire Date:"></asp:Label>
            </td>
            <td>
                <asp:TextBox ID="txtHMonth" runat="server" MaxLength="2" CssClass="input2char"></asp:TextBox>
                <asp:Label ID="lblHdash1" runat="server" Text="-"></asp:Label>
                <asp:TextBox ID="txtHDay" runat="server" MaxLength="2" CssClass="input2char"></asp:TextBox>
                <asp:Label ID="lblHdash2" runat="server" Text="-"></asp:Label>
                <asp:TextBox ID="txtHYear" runat="server" MaxLength="4" CssClass="input4char"></asp:TextBox>
            </td>
            <td class="txtclmn">
                <asp:Label ID="lblBdate" runat="server" Text="Birth Date:"></asp:Label>
                </td>
            <td>
                <asp:TextBox ID="txtBMonth" runat="server"  MaxLength="2" CssClass="input2char"></asp:TextBox>
                <asp:Label ID="lblBdash1" runat="server" Text="-"></asp:Label>
                <asp:TextBox ID="txtBDay" runat="server"  MaxLength="2" CssClass="input2char"></asp:TextBox>
                <asp:Label ID="lblBdash2" runat="server" Text="-"></asp:Label>
                <asp:TextBox ID="txtBYear" runat="server" MaxLength="4" CssClass="input4char"></asp:TextBox>
            </td>
        </tr>
        <tr>
            <td class="txtclmn">
                <asp:Label ID="lblLoginId" runat="server" Text="Login ID:"></asp:Label>
            </td>
            <td>
                <asp:TextBox ID="txtLogin" runat="server"></asp:TextBox>
            </td>
            <td class="txtclmn">
                <asp:Label ID="lblJobTitle" runat="server" Text="Job Title:"></asp:Label></td>
            <td>
                <asp:TextBox ID="txtJobTitle" runat="server"></asp:TextBox>
            </td>
        </tr>
        <tr>
            <td class="txtclmn">
                <asp:Label ID="lblGender" runat="server" Text="Gender:"></asp:Label>
            </td>
            <td>
                <asp:DropDownList ID="ddlGender" runat="server" style="width: 73px">
                    <asp:ListItem Value="-1">-----------</asp:ListItem>
                    <asp:ListItem Value="M">Male</asp:ListItem>
                    <asp:ListItem Value="F">Female</asp:ListItem>
                </asp:DropDownList>
            </td>
            <td class="txtclmn">
                <asp:Label ID="lblMarStat" runat="server" Text="Marital Status:"></asp:Label>
            </td>
            <td>
                <asp:DropDownList ID="ddlMarStat" runat="server">
                    <asp:ListItem Value="-1">-----------</asp:ListItem>
                    <asp:ListItem Value="S">Single</asp:ListItem>
                    <asp:ListItem Value="M">Married</asp:ListItem>
                </asp:DropDownList>
            </td>
        </tr>
        <tr>
            <td class="txtclmn">
                <asp:Label ID="lblActive" runat="server" Text="Active:"></asp:Label>
            </td>
            <td>
                <asp:DropDownList ID="ddlActive" runat="server">
                    <asp:ListItem Value="-1">-----</asp:ListItem>
                    <asp:ListItem Value="1">Yes</asp:ListItem>
                    <asp:ListItem Value="0">No</asp:ListItem>
                </asp:DropDownList>
            </td>
            <td class="txtclmn">
               <asp:Label ID="lblSalary" runat="server" Text="Salaried:"></asp:Label></td>
            <td>
                <asp:DropDownList ID="ddlSalary" runat="server">
                    <asp:ListItem Value="-1">-----</asp:ListItem>
                    <asp:ListItem Value="1">Yes</asp:ListItem>
                    <asp:ListItem Value="0">No</asp:ListItem>
                </asp:DropDownList>
            </td>
        </tr>
    </table>
    </div>
    <br />
    <br />
    <asp:GridView ID="gdvCust" runat="server" AllowPaging="True"
        AutoGenerateColumns="False" 
        onpageindexchanging="gdvCust_PageIndexChanging">
        <Columns>
            <asp:BoundField DataField="ContactID" HeaderText="ContactID" ReadOnly="True" 
                SortExpression="ContactID" />
            <asp:BoundField DataField="Title" HeaderText="Title" ReadOnly="True" 
                SortExpression="Title" />
            <asp:BoundField DataField="FirstName" HeaderText="FirstName" ReadOnly="True" 
                SortExpression="FirstName" />
            <asp:BoundField DataField="MiddleName" HeaderText="MiddleName" ReadOnly="True" 
                SortExpression="MiddleName" />
            <asp:BoundField DataField="LastName" HeaderText="LastName" ReadOnly="True" 
                SortExpression="LastName" />
            <asp:BoundField DataField="Suffix" HeaderText="Suffix" ReadOnly="True" 
                SortExpression="Suffix" />
            <asp:BoundField DataField="EmailAddress" HeaderText="EmailAddress" 
                ReadOnly="True" SortExpression="EmailAddress" />
            <asp:BoundField DataField="Phone" HeaderText="Phone" ReadOnly="True" 
                SortExpression="Phone" />
            <asp:ButtonField ButtonType="Button" CommandName="Edit" Text="Edit" />
        </Columns>
    </asp:GridView>


    <br />
    <asp:GridView ID="gdvEmp" runat="server" AllowPaging="True"
        AutoGenerateColumns="False" 
        onpageindexchanging="gdvEmp_PageIndexChanging">
        <Columns>
            <asp:BoundField DataField="EmployeeID" HeaderText="EmployeeID" ReadOnly="True" 
                SortExpression="EmployeeID" />
            <asp:BoundField DataField="JobTitle" HeaderText="Job Title" ReadOnly="True" 
                SortExpression="Title" />
            <asp:BoundField DataField="FirstName" HeaderText="FirstName" ReadOnly="True" 
                SortExpression="FirstName" />
            <asp:BoundField DataField="MiddleName" HeaderText="MiddleName" ReadOnly="True" 
                SortExpression="MiddleName" />
            <asp:BoundField DataField="LastName" HeaderText="LastName" ReadOnly="True" 
                SortExpression="LastName" />
            <asp:BoundField DataField="Suffix" HeaderText="Suffix" ReadOnly="True" 
                SortExpression="Suffix" />
            <asp:BoundField DataField="EmailAddress" HeaderText="EmailAddress" 
                ReadOnly="True" SortExpression="EmailAddress" />
            <asp:BoundField DataField="Phone" HeaderText="Phone" ReadOnly="True" 
                SortExpression="Phone" />
            <asp:BoundField DataField="LoginID" HeaderText="LoginID" ReadOnly="True" 
                SortExpression="LoginID" />
            <asp:BoundField DataField="Title" HeaderText="Title" ReadOnly="True" 
                SortExpression="Title" />
            <asp:BoundField DataField="BirthDate" HeaderText="BirthDate" ReadOnly="True" 
                SortExpression="BirthDate" />
            <asp:BoundField DataField="MaritalStatus" HeaderText="MaritalStatus" ReadOnly="True" 
                SortExpression="MaritalStatus" />
            <asp:BoundField DataField="Gender" HeaderText="Gender" ReadOnly="True" 
                SortExpression="Gender" />
            <asp:BoundField DataField="HireDate" HeaderText="HireDate" 
                ReadOnly="True" SortExpression="HireDate" />
            <asp:CheckBoxField DataField="SalariedFlag" HeaderText="SalariedFlag" 
                ReadOnly="True" SortExpression="SalariedFlag" />
            <asp:CheckBoxField DataField="CurrentFlag" HeaderText="CurrentFlag" 
                ReadOnly="True" SortExpression="CurrentFlag" />
        </Columns>
    </asp:GridView>


</form>

codebehind

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Data;

namespace TestProj
{
public partial class Search : System.Web.UI.Page
{

    static IQueryable<Contact> _conResults;
    //static IQueryable<EmpContact> _empResults;
    protected void Page_Load(object sender, EventArgs e)
    {


    }


    protected void ddlSelector_SelectedIndexChanged(object sender, EventArgs e)
    {
        gdvCust.DataSource = null;
        gdvCust.DataBind();
        gdvEmp.DataSource = null;
        gdvEmp.DataBind();
        bool flag;
        if (ddlSelector.SelectedValue == "Employee")
            flag = true;
        else
        {               
            flag = false;
        }
        foreach( Control c in empCriteria.Controls)
        {
            c.Visible = flag;
        }
    }
    private IQueryable<Contact> CreateCustQuery()
    {
       TestDataClassDataContext dc = new TestDataClassDataContext();
        var predicate = PredicateBuilder.True<Contact>();
        var cust = from individual in dc.Individuals
                  join contact in dc.Contacts on individual.ContactID equals contact.ContactID
                  select contact;
        if (!string.IsNullOrEmpty(txtLname.Text))
            predicate = predicate.And( e => e.LastName.Contains(txtLname.Text));
        if (!string.IsNullOrEmpty(txtFname.Text))
            predicate = predicate.And(e => e.FirstName.Contains(txtFname.Text));
        if (!string.IsNullOrEmpty(txtMname.Text))
            predicate = predicate.And(e => e.MiddleName.Contains(txtMname.Text));
        if (Utility.IsValidPhone(txtPhone.Text))
            predicate = predicate.And(e => e.Phone.Contains(txtPhone.Text));
        if (Utility.IsValidEmailAddress(txtEmail.Text))
            predicate = predicate.And(e => e.EmailAddress.Contains(txtEmail.Text));

        var results = cust.Where(predicate);

        return results;
    }

    //private void CreateEmpQuery()
    //{
    //    TestDataClassDataContext dc = new TestDataClassDataContext();

    //    var emp = from c in dc.Contacts
    //              from e in dc.Employees
    //              where c.ContactID == e.ContactID
    //              select new 
    //              {
    //                  FirstName = c.FirstName,LastName = c.LastName, MiddleName =c.MiddleName, Phone = c.Phone,
    //                  EmailAddress = c.EmailAddress
    //              };

    //    var predicate = PredicateBuilder.True<>();
    //    if (!string.IsNullOrEmpty(txtLname.Text))
    //        predicate = predicate.And(e => e.LastName.Contains(txtLname.Text));
    //    if (!string.IsNullOrEmpty(txtFname.Text))
    //        predicate = predicate.And(e => e.FirstName.Contains(txtFname.Text));
    //    if (!string.IsNullOrEmpty(txtMname.Text))
    //        predicate = predicate.And(e => e.MiddleName.Contains(txtMname.Text));
    //    if (Utility.IsValidPhone(txtPhone.Text))
    //        predicate = predicate.And(e => e.Phone.Contains(txtPhone.Text));
    //    if (Utility.IsValidEmailAddress(txtEmail.Text))
    //        predicate = predicate.And(e => e.EmailAddress.Contains(txtEmail.Text));

    //    var results = emp.Where(predicate);


    //}

    private void GetCustResults()
    {
        _conResults = CreateCustQuery();
        gdvCust.DataSource = _conResults;
        gdvCust.DataBind();
    }

    //private void GetEmpResults()
    //{
    //    _empResults = CreateEmpQuery();
    //    gdvEmp.DataSource = _empResults;
    //    gdvEmp.DataBind();
    //}

    protected void gdvCust_PageIndexChanging(object sender, GridViewPageEventArgs e)
    {
        gdvCust.PageIndex = e.NewPageIndex;
        gdvCust.DataSource = _conResults;
        gdvCust.DataBind();
    }
    //protected void gdvEmp_PageIndexChanging(object sender, GridViewPageEventArgs e)
    //{
    //    gdvCust.PageIndex = e.NewPageIndex;
    //    gdvEmp.DataSource = _empResults;
    //    gdvEmp.DataBind();
    //}

    protected void btnSearch_Click(object sender, EventArgs e)
    {
        if (ddlSelector.SelectedValue == "Customer")
            GetCustResults();
        //else
            //GetEmpResults();
    }



}
}

仅在我转到当时使用 linq 的另一个项目之前完成了 cust 结果，但这可能会帮助您了解使 gridview 运行所需的内容。这是使用 linq 和 AdventureWorks 作为示例数据库

代码解释现在您需要注意的是

    <asp:GridView ID="gdvCust" runat="server" AllowPaging="True"
        AutoGenerateColumns="False" 
        onpageindexchanging="gdvCust_PageIndexChanging">

aspx 页面上的列和绑定字段，其中 DataField = 数据库中列的名称，标题字段是标记的内容网格视图上列的顶部。

现在在后面的代码中查看

private void GetCustResults()
{
    _conResults = CreateCustQuery();
    gdvCust.DataSource = _conResults;
    gdvCust.DataBind();
}
 //and    
protected void gdvCust_PageIndexChanging(object sender, GridViewPageEventArgs e)
{
    gdvCust.PageIndex = e.NewPageIndex;
    gdvCust.DataSource = _conResults;
    gdvCust.DataBind();
}

它们从数据源和分页控件进行绑定。如果您需要更多解释，请评论

Answer 2

检查下面的代码。

CREATE PROCEDURE getDeals
  @StartIndex int,
  @PageSize int,
  @TotalCount int OutPut
as

select @TotalCount=count(1) from mstrDeals;
WITH CTE AS
(
  select top(@startIndex+@PageSize-1) ROW_NUMBER() OVER(ORDER BY creationdate) RowNumber,dealid,dealTitle from mstrDeals
)
select * from CTE where RowNumber between @startIndex and (@startIndex+@PageSize-1)

然后我们需要生成包含总行数、页面大小和当前页面的分页器，下面是在此处填充分页器的示例代码，分页器链接总数为 5，可以通过重置名为totalLinkInPage 的局部变量来进一步自定义，并具有第一个和最后一个按钮还可以在当前页面为第一页或最后一页时自动启用或禁用。

查看生成分页代码和绑定gridview代码（参考）：-

使用 gridview 中的存储过程在 asp.net 中自定义分页，具有良好的分页

Answer 3

由于 SQL 的语法自 2006 年以来没有太大变化，因此没有太多需要更新的内容。在存储过程方面，您仍然需要执行 ROW_Number() 调用。

 With table AS 
 ( SELECT ID, NAME, 
   ROW_NUMBER() OVER (order by Name) as RowNumber 
   FROM Customers ) 

select * 
from table 
Where RowNumber >= @RowStart and RowNumber <= @RowEnd end