[WinForms]

// Author:Stephen.Ju
// Date:2007-08-10

using  System;
using  System.Collections.Generic;
using  System.Text;
using  System.Data;
using  System.Data.SqlClient;
using  System.Windows.Forms;
using  System.Drawing;

namespace  ZPGL
{
     class  LinkDB
    {
         private  SqlConnection sqlCONN  =   new  SqlConnection( " server=.;integrated security=sspi;database=zupi " );
         private  SqlDataAdapter sqlDA  =   null ;
         private  DataSet ds  =   null ;
         private   string  sqlSelect  =   "" ;
         ///   <summary>
         ///  填充并返回数据集合
         ///   </summary>
         ///   <param name="sql"></param>
         ///   <param name="tableName"></param>
         ///   <returns></returns>
         public  DataSet ExecuteSQLDataSet( string  sql, string  tableName)
        {
            sqlSelect  =  sql;
            sqlDA  =   new  SqlDataAdapter(sqlSelect, sqlCONN);
            ds  =   new  DataSet();
            ds.Clear();
            sqlDA.Fill(ds, tableName);
             return  ds;
        }

         ///   <summary>
         ///  批量更新
         ///   </summary>
         ///   <param name="changedDS"></param>
         ///   <param name="tableName"></param>
         ///   <returns></returns>
         public   int  BatchUpdate(DataSet changedDS,  string  tableName)
        {
             int  nums  =   0 ;
            sqlDA  =   new  SqlDataAdapter(sqlSelect, sqlCONN);
            SqlCommandBuilder sqlCMDBLD  =   new  SqlCommandBuilder(sqlDA);
            sqlDA.InsertCommand  =  sqlCMDBLD.GetInsertCommand();
            sqlDA.DeleteCommand  =  sqlCMDBLD.GetDeleteCommand();
            sqlDA.UpdateCommand  =  sqlCMDBLD.GetUpdateCommand();
             try
            {
                 lock  ( this )
                {
                    nums  =  sqlDA.Update(changedDS, tableName);
                }
            }
             catch  (Exception Ex)
            {
                MessageBox.Show(Ex.Message);
            }
             return  nums;
        }

         ///   <summary>
         ///  自定义DataGridView
         ///   </summary>
         ///   <param name="dataGridView"></param>
         public   void  CustomersizeDataGridView(DataGridView dataGridView)
        {
            dataGridView.AllowUserToAddRows  =   false ;
            dataGridView.AutoGenerateColumns  =   false ;
            dataGridView.AlternatingRowsDefaultCellStyle.BackColor  =  Color.Azure;
             for  ( int  i  =   1 ; i  <  dataGridView.ColumnCount; i ++ )
            {
                dataGridView.Columns[i].ReadOnly  =   true ; 
                dataGridView.Columns[i].SortMode  =  DataGridViewColumnSortMode.NotSortable;  // 不自动排序
                dataGridView.Columns[i].DefaultCellStyle.Alignment  =  DataGridViewContentAlignment.MiddleCenter;  // 列标题字体居中
            }
        }
    }
}

using  System;
using  System.Collections.Generic;
using  System.ComponentModel;
using  System.Data;
using  System.Data.SqlClient;
using  System.Drawing;
using  System.Text;
using  System.Windows.Forms;

namespace  ZPGL
{
     public  partial  class  Frm_og_order_t : ZPGL.FrmParent
    {
         public  Frm_og_order_t()
        {
            InitializeComponent();
        }

        LinkDB link  =   new  LinkDB();
         string  sqlSelect  =   " select * from og_order_t " , tbName  =   " og_order_t " ;
        DataSet ds_og_order_t;
        BindingSource bs  =   null ;
         private   void  Frm_og_order_t_Load( object  sender, EventArgs e)
        {
            link.CustomersizeDataGridView( this .dataGridView1);
            ds_og_order_t  =   new  DataSet();
            ds_og_order_t  =  link.ExecuteSQLDataSet(sqlSelect, tbName);
            bs  =   new  BindingSource(ds_og_order_t, tbName);
            dataGridView1.DataSource  =  bs;
        }

         // 查询
         private   void  btnQuery_Click( object  sender, EventArgs e)
        {
             try
            {
                 string  sqlFilter  =   " select * from og_order_t " , sqlFilterAdd  =   "" ;
                 if  (txtOrder.Text.Trim()  !=   "" )
                {
                    sqlFilterAdd  =   "  where order_no=' "   +  txtOrder.Text.Trim()  +   " ' " ;
                }
                 if  (txtDealFlag.Text.Trim()  !=   "" )
                {
                     if  (sqlFilterAdd  ==   "" )
                        sqlFilterAdd  =   "  where deal_flag=' "   +  txtDealFlag.Text.Trim()  +   " ' " ;
                     if  (txtDealFlag.Text.Trim()  !=   "" )
                        sqlFilterAdd  +=   "  and deal_flag=' "   +  txtDealFlag.Text.Trim()  +   " ' " ;
                }
                sqlFilter  +=  sqlFilterAdd;
                ds_og_order_t  =  link.ExecuteSQLDataSet(sqlFilter, tbName);
                bs  =   new  BindingSource(ds_og_order_t, tbName);
                dataGridView1.DataSource  =  bs;
                IsModify( true );
            }
             catch  (Exception ERR)
            {
                MessageBox.Show(ERR.Message,  " 提示 " , MessageBoxButtons.OK, MessageBoxIcon.Error);
            }
        }

         // 组批
         private   void  btnZupi_Click( object  sender, EventArgs e)
        {

        }

         // 修改
         private   void  btnModify_Click( object  sender, EventArgs e)
        {
            IsModify( false );
        }

         // 删除
         private   void  btnDelete_Click( object  sender, EventArgs e)
        {
             // if (dataGridView1.Rows.Count > 0)
             // {
             //     int i = dataGridView1.CurrentRow.Index;
             //     try
             //     {
             //         dataGridView1.Rows.RemoveAt(i); // 或者：Remove(dataGridView1.Rows[i]);
             //         dataGridView1.BindingContext[ds_og_order_t,tbName].RemoveAt(i);
             //     }
             //     catch (Exception ERR)
             //     {
             //         MessageBox.Show(ERR.Message, "提示", MessageBoxButtons.OK, MessageBoxIcon.Error);
             //     }
             // }

             /* ******************加复选框的删除****************** */
            List < DataGridViewRow >  tmplist  =   new  List < DataGridViewRow > ();
             for  ( int  i  =   0 ; i  <  dataGridView1.Rows.Count; i ++ )
            {
                 if  (Convert.ToBoolean(dataGridView1[ 0 , i].EditedFormattedValue.ToString()))
                {
                    tmplist.Add(dataGridView1.Rows[i]);
                }
            }
             for  ( int  j  =   0 ; j  <  tmplist.Count; j ++ )
            {
                dataGridView1.Rows.Remove(tmplist[j]);
            }
            tmplist  =   null ;
        }

         // 保存
         private   void  btnSave_Click( object  sender, EventArgs e)
        {
             try
            {
                bs.EndEdit();
                 if  (ds_og_order_t.GetChanges()  !=   null )
                {
                     int  changeNums  =  link.BatchUpdate(ds_og_order_t.GetChanges(), tbName);
                     if  (changeNums  >   0 )
                    {
                        ds_og_order_t.AcceptChanges();
                        MessageBox.Show( " 保存成功! " ,  " 提示 " , MessageBoxButtons.OK, MessageBoxIcon.Information);
                        IsModify( true );
                    }
                     else
                        ds_og_order_t.RejectChanges();
                }
                 else
                    IsModify( true );
            }
             catch  (Exception ERR)
            {
                MessageBox.Show(ERR.Message,  " 提示 " , MessageBoxButtons.OK, MessageBoxIcon.Error);
            }
        }

         // 返回
         private   void  btnReturn_Click( object  sender, EventArgs e)
        {
             this .Close();
        }

         private   void  IsModify( bool  bl)
        {
             if  (bl  ==   true )
            {
                 for  ( int  i  =   2 ; i  <  dataGridView1.ColumnCount; i ++ )
                {
                    dataGridView1.Columns[i].ReadOnly  =   true ;
                }
            }
             if  (bl  ==   false )
            {
                 for  ( int  i  =   2 ; i  <  dataGridView1.ColumnCount; i ++ )
                {
                    dataGridView1.Columns[i].ReadOnly  =   false ;
                }
            }
        }

         // 给dataGridView添加行号
         private   void  dataGridView1_RowPostPaint( object  sender, DataGridViewRowPostPaintEventArgs e)
        {
            SolidBrush s  =   new  SolidBrush(Color.Black);
            e.Graphics.DrawString((e.RowIndex).ToString(), e.InheritedRowStyle.Font, s, e.RowBounds.X  +   10 , e.RowBounds.Y  +   1 );
        }
    }
}