Winform dataGridView 表头展示隐藏 和 位置调用 用法 - 陈小龙 - 开发者的网上家园

 public partial class WeighRecord : Form {  WeighRecordSet headsSet = null;  public WeighRecord()  {   InitializeComponent();   this.RecordTimepx.Format = DateTimePickerFormat.Custom;   this.RecordTimepx.CustomFormat = " ";   this.GrossTimepx.Format = DateTimePickerFormat.Custom;   this.GrossTimepx.CustomFormat = " ";   this.TareTimepx.Format = DateTimePickerFormat.Custom;   this.TareTimepx.CustomFormat = " ";      //测试数据   //var list = new List<WeighRecordDto>();   //list.Add(new WeighRecordDto() { Number = 1 });   //list.Add(new WeighRecordDto() { Number = 2 });   //list.Add(new WeighRecordDto() { Number = 3 });   //list.Add(new WeighRecordDto() { Number = 4 });   //list.Add(new WeighRecordDto() { Number = 5 });   //this.dataGV.DataSource = list;  }  private void RecordTimepx_ValueChanged(object sender, EventArgs e)  {   this.RecordTimepx.Format = DateTimePickerFormat.Long;   this.RecordTimepx.CustomFormat = null;  }  private void GrossTimepx_ValueChanged(object sender, EventArgs e)  {   this.GrossTimepx.Format = DateTimePickerFormat.Long;   this.GrossTimepx.CustomFormat = null;  }  private void TareTimepx_ValueChanged(object sender, EventArgs e)  {   this.TareTimepx.Format = DateTimePickerFormat.Long;   this.TareTimepx.CustomFormat = null;  }  //查询  private void SearchBtn_Click(object sender, EventArgs e)  {  }  //显示设置  List<TableHeader> childList = null;  private void ShowSetBtn_Click(object sender, EventArgs e)  {   //填充值   if (childList == null)   {    childList = new List<TableHeader>();    for (var i = 0; i < this.WeighTable.Columns.Count; i++)    {     if (this.WeighTable.Columns[i].Visible)     {      childList.Add(new TableHeader()      {       Name = this.WeighTable.Columns[i].HeaderText,       Choice = this.WeighTable.Columns[i].Visible,      });     }    }   }   //传入值   headsSet = new WeighRecordSet(childList);   //回传值   headsSet.itemTextChanged += new EventHandler((sender1, e1) =>   {    childList = headsSet.list; //回传值    for (var j = 0; j < headsSet.list.Count; j++)    {     var item = headsSet.list[j];     for (var i = 0; i < this.WeighTable.Columns.Count; i++)     {      if (this.WeighTable.Columns[i].HeaderText == item.Name)      {       this.WeighTable.Columns[i].DisplayIndex = j;       this.WeighTable.Columns[i].Visible = item.Choice;       break;      }     }    }   });   //弹出窗体   headsSet.ShowDialog();  } }

 public partial class WeighRecordSet : Form {  public List<TableHeader> list { get; set; }  public event EventHandler itemTextChanged;  public WeighRecordSet()  {   InitializeComponent();   list = new List<TableHeader>();   list.Add(new TableHeader() { Name = "序号" });   list.Add(new TableHeader() { Name = "车牌号" });   list.Add(new TableHeader() { Name = "司机" });   list.Add(new TableHeader() { Name = "货品" });   list.Add(new TableHeader() { Name = "毛重" });   list.Add(new TableHeader() { Name = "皮重" });   list.Add(new TableHeader() { Name = "净重" });   list.Add(new TableHeader() { Name = "扣重" });   list.Add(new TableHeader() { Name = "实重" });   list.Add(new TableHeader() { Name = "毛重时间" });   list.Add(new TableHeader() { Name = "皮重时间" });   list.Add(new TableHeader() { Name = "单号" });   list.Add(new TableHeader() { Name = "皮重司磅员" });   list.Add(new TableHeader() { Name = "毛重司磅员" });   list.Add(new TableHeader() { Name = "记录时间" });   //list.Add(new TableHeader() { Name = "单价" });   //list.Add(new TableHeader() { Name = "总价" });   //list.Add(new TableHeader() { Name = "浓度" });   //list.Add(new TableHeader() { Name = "体积" });   list.Add(new TableHeader() { Name = "单价（元）" });   list.Add(new TableHeader() { Name = "总价（元）" });   list.Add(new TableHeader() { Name = "浓度（kg/L）" });   list.Add(new TableHeader() { Name = "体积（L）" });   for (var i = 0; i < list.Count; i++)   {    this.HeaderLv.Items.Add(list[i].Name);    this.HeaderLv.Items[i].Checked = list[i].Choice;   }     }  public WeighRecordSet(List<TableHeader> list)  {   InitializeComponent();   for (var i = 0; i < list.Count; i++)   {    this.HeaderLv.Items.Add(list[i].Name);    this.HeaderLv.Items[i].Checked = list[i].Choice;   }  }  //上移  private void UpperBtn_Click(object sender, EventArgs e)  {   if (this.HeaderLv.SelectedItems.Count == 0)   {    return;   }   HeaderLv.BeginUpdate();   if (this.HeaderLv.SelectedItems[0].Index > 0)   {    foreach (ListViewItem var in HeaderLv.SelectedItems)    {     ListViewItem item = var;     int indexSelectedItem = var.Index;     HeaderLv.Items.RemoveAt(indexSelectedItem);     HeaderLv.Items.Insert(indexSelectedItem - 1, item);    }   }   HeaderLv.EndUpdate();   if (HeaderLv.Items.Count > 0 && HeaderLv.SelectedItems.Count > 0)   {    HeaderLv.Focus();    HeaderLv.SelectedItems[0].Focused = true;    HeaderLv.SelectedItems[0].EnsureVisible();   }  }  //下移  private void UnderBtn_Click(object sender, EventArgs e)  {   if (this.HeaderLv.SelectedItems.Count == 0)   {    return;   }   this.HeaderLv.BeginUpdate();   int indexMaxSelectedItem = HeaderLv.SelectedItems[HeaderLv.SelectedItems.Count - 1].Index;   if (indexMaxSelectedItem < HeaderLv.Items.Count - 1)   {    for (int i = this.HeaderLv.SelectedItems.Count - 1; i >= 0; i--)    {     ListViewItem item = this.HeaderLv.SelectedItems[i];     int indexSelectedItem = item.Index;     HeaderLv.Items.RemoveAt(indexSelectedItem);     HeaderLv.Items.Insert(indexSelectedItem + 1, item);    }   }   HeaderLv.EndUpdate();   if (HeaderLv.Items.Count > 0 && HeaderLv.SelectedItems.Count > 0)   {    HeaderLv.Focus();    HeaderLv.SelectedItems[HeaderLv.SelectedItems.Count - 1].Focused = true;    HeaderLv.SelectedItems[HeaderLv.SelectedItems.Count - 1].EnsureVisible();   }  }  //确定  private void SaveBtn_Click(object sender, EventArgs e)  {   list = new List<TableHeader>();   for (var i = 0; i < this.HeaderLv.Items.Count; i++)   {    list.Add(new TableHeader()    {     Name = this.HeaderLv.Items[i].Text,     Choice = this.HeaderLv.Items[i].Checked,    });   }   if (!list.Exists(s => s.Choice))   {    MessageBox.Show("请至少勾上一列！");    return;   }   //事件   if (itemTextChanged != null)   {    itemTextChanged(this, e);   }   this.Close();  } }

 

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publicpartialclassWeighRecord:Form{WeighRecordSetheadsSet=null;publicWeighRecord(){InitializeComponent();this.RecordTimepx.Format=DateTimePickerFormat.Custom;this.RecordTimepx.CustomFormat=""
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