Winform dataGridView 用法 - 陈小龙 - 开发者的网上家园

//方法一 后台调用 

this.dataGridView1.Columns["ProductName"].DisplayIndex = 0;

 

//方法二 页面上拖拽

this.dataGridView1.AllowUserToOrderColumns = true;

 

//3.时间控件默认为空

public WeighRecord(){InitializeComponent();this.RecordTimepx.Format = DateTimePickerFormat.Custom;this.RecordTimepx.CustomFormat = " ";}private void RecordTimepx_ValueChanged(object sender, EventArgs e){this.RecordTimepx.Format = DateTimePickerFormat.Long;this.RecordTimepx.CustomFormat = null;}

 

 

//4.弹出窗口

       private void ShowSetBtn_Click(object sender, EventArgs e)
       {

   //传入值   var childList = new List<TableHeader>();   var headsSet = new WeighRecordSet(childList);   //事件+回传值   headsSet.itemTextChanged += new EventHandler((sender1, e1) =>   {    childList = headsSet.list; //回传值 ///其他逻辑 刷新页面啥的   });   //弹出窗体   headsSet.ShowDialog();   
  } 

 public partial class WeighRecordSet : Form {  public List<TableHeader> list { get; set; }  public event EventHandler itemTextChanged;  public WeighRecordSet()  {   InitializeComponent();  }  public WeighRecordSet(List<TableHeader> list)  {   InitializeComponent();  }  //确定  private void SaveBtn_Click(object sender, EventArgs e)  {   //事件   if (itemTextChanged != null)   {    itemTextChanged(this, e);   }   this.Close();  } }

 

// 5.dataGridView  单元格修改前后

  //修改前  string strBefore = "";  private void dataGridView1_CellBeginEdit(object sender, DataGridViewCellCancelEventArgs e)  {
   //选择行   this.dataGridView1.SelectionMode = System.Windows.Forms.DataGridViewSelectionMode.FullRowSelect;   strBefore = this.dataGridView1.Rows[e.RowIndex].Cells[e.ColumnIndex].Value.ToString();   string strField = this.dataGridView1.Columns[e.ColumnIndex].DataPropertyName;   MessageBox.Show("修改前=" + strBefore);  }  //修改后  private void dataGridView1_CellEndEdit(object sender, DataGridViewCellEventArgs e)  {   string strAfter = this.dataGridView1.CurrentRow.Cells[e.ColumnIndex].Value.ToString();   if (strAfter == strBefore)   {    return;   }   MessageBox.Show("修改后=" + strAfter);  }

 

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//方法一后台调用this.dataGridView1.Columns["ProductName"].DisplayIndex=0;//方法二页面上拖拽this.dataGridView1.AllowUserToOrderColumns=true;//3.时间控件默认为空publicWeighRecord(){InitializeComponent();this.RecordT
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