dataGridView分頁顯示數據

app.config:

<?xml version="1.0" encoding="utf-8" ?>
<configuration>
  <connectionStrings>
    <add connectionString="Data Source=PC-20120110JFDT;Initial Catalog=test1;Persist Security Info=True;User ID=sa;Password=yhb" name="connstr" />
    <add connectionString="Data Source=PC-20120110JFDT;Initial Catalog=Test;Persist Security Info=True;User ID=sa;Password=yhb" name="connstr2" />
    <add connectionString="Data Source=PC-20120110JFDT;Initial Catalog=School;Persist Security Info=True;User ID=sa;Password=yhb" name="connstr3" />

  </connectionStrings>
</configuration>

 

ClassModel_student.cs:

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace WindowsFormsApplication1
{
    class ClassModel_student
    {
        public string FId
        {
            get;
            set;
        }
        public string FName
        {
            get;
            set;
        }
        public string FAge
        {
            get;
            set;
        }
        public string FGender
        {
            get;
            set;
        }
        public string FMath
        {
            get;
            set;
        }
        public string FEnglish
        {
            get;
            set;
        }
        public string Fbirthday
        {
            get;
            set;
        }
    }
}

 

c#      

  List<ClassModel_student> cmsLi = new List<ClassModel_student>();
        private void button2_Click(object sender, EventArgs e)
        {
            string connstr= ConfigurationManager.ConnectionStrings["connstr2"].ConnectionString;
            using (SqlConnection conn = new SqlConnection(connstr))
            {
                    conn.Open();
                    using(SqlCommand cmd=new SqlCommand("usp_print",conn))
                    {
                        cmd.CommandType = CommandType.StoredProcedure;
                        cmd.Parameters.Add(new SqlParameter("@pagesize", textBox1.Text));
                        cmd.Parameters.Add(new SqlParameter("@pageIndex", textBox2.Text));
                        SqlDataReader reader = cmd.ExecuteReader();
                        if (reader.HasRows)//如果找到多行記錄
                        {
                            while (reader.Read())
                            {
                                ClassModel_student cms = new ClassModel_student();
                                cms.FId = reader.IsDBNull(reader.GetOrdinal("FId")) ? string.Empty : Convert.ToString( reader.GetInt32(reader.GetOrdinal("FId")));
                                cms.FName = reader.IsDBNull(reader.GetOrdinal("FName")) ? string.Empty : reader.GetString(reader.GetOrdinal("FName"));
                                cms.FAge = reader.IsDBNull(reader.GetOrdinal("FAge")) ? string.Empty : Convert.ToString( reader.GetInt32(reader.GetOrdinal("FAge")));
                                cms.FGender = reader.IsDBNull(reader.GetOrdinal("FGender")) ? string.Empty :Convert.ToString(  reader.GetBoolean(reader.GetOrdinal("FGender")));
                                cms.FMath = reader.IsDBNull(reader.GetOrdinal("FMath")) ? string.Empty : Convert.ToString( reader.GetDouble(reader.GetOrdinal("FMath")));
                                cms.FEnglish = reader.IsDBNull(reader.GetOrdinal("FEnglish")) ? string.Empty : Convert.ToString( reader.GetDouble(reader.GetOrdinal("FEnglish")));
                                cms.Fbirthday = reader.IsDBNull(reader.GetOrdinal("Fbirthday")) ? string.Empty :Convert.ToString(  reader.GetDateTime(reader.GetOrdinal("Fbirthday")));
                                cmsLi.Add(cms);
                            }
                        }
                      
                    }
            }
            dataGridView1.DataSource = cmsLi;
        }

sql:

create proc usp_print @pagesize int,@pageIndex int
as
begin
select * from
(select *,ROW_NUMBER()over(order by FId asc)as rownumber from MyStudents) as t1  where t1.rownumber  between @pagesize*(@pageIndex-1)+1 and @pagesize*@pageIndex
end