public partial class Form1 : Form
{
public Form1()
{
世界mba排名 InitializeComponent();
GridViewInit();
BindGrid();
}
//鼠标坐标
private GridHitInfo downHitInfo; //鼠标左键按下去时在GridView中的坐标
private GridHitInfo upHitInfo; //鼠标左键弹起来时在GridView中的坐标
initiative private int startRow; // 拖拽的第一行
bbq什么意思 private int[] rows; //拖拽的所有行
//数据源
DataTable dtSource;如何学习托福
private void GridViewInit()
{
gridControl1.AllowDrop = true; // 确保能够拖拽
gridView1.OptionsSelection.MultiSelect = true; //确保能够多选
gridView1.OptionsSelection.EnableAppearanceFocudCell = fal; //确保选定行的背景色一样
gridView1.OptionsSelection.EnableAppearanceFocudCell = fal; //确保选定行的背景色一样。
gridView1.OptionsBehavior.Editable = fal;
}
private void BindGrid()
{
gridControl1.DataSource = dtSource;
}
//鼠标按下事件bepanthen
private void gridView1_MouDown(object nder, MouEventArgs e)
{
downHitInfo = gridView1.CalcHitInfo(new Point(e.X, e.Y)); //鼠标左键按下去时在GridView中的坐标
}
//鼠标移动事件
private void gridView1_MouMove(object nder, MouEventArgs e)
有趣的发明 {
if (e.Button != MouButtons.Left) return; //不是左键则无效
if (downHitInfo == null || downHitInfo.RowHandle < 0) return; //判断鼠标的位置是否有效
rows = gridView1.GetSelectedRows(); //获取所选行的index
startRow = rows.Length == 0 ? -1 : rows[0];
DataTable dt = dtSource.Clone();
foreach (int r in rows) // 根据所选行的index进行取值，去除所选的行数据，可能是选取的多行
{
int dataSourcerows = gridView1.GetDataSourceRowIndex(r); //获取行数据
dt.ImportRow(dtSource.Rows[dataSourcerows]); //保存所选取的行数据
}
gridControl1.DoDragDrop(dt, DragDropEffects.Move);//开始拖放操作，将拖拽的数据存储起来
}
//拖拽过程事件
private void gridControl1_DragOver(object nder, DragEventArgs e)
{
e.Effect = DragDropEffects.Move;
}
//拖拽完成后事件
private void gridControl1_DragDrop(object nder, DragEventArgs e)
{
Point gridviewPoint = this.idControl1.Location); //获取鼠标在屏幕上的位置。
upHitInfo = gridView1.CalcHitInfo(new Point(e.X - gridviewPoint.X, e.Y - gridviewPoint.Y)); //鼠标左键弹起来时在GridView中的坐标（屏幕位置减去 gridView 开始位置）
if (upHitInfo == null || upHitInfo.RowHandle < 0) return;
int endRow = gridView1.GetDataSourceRowIndex(gridView1.GetDataSourceRowIndex(upHitInfo.RowHandle)); //获取拖拽的目标行index
关于职业的英语单词 DataTable dt = e.Data.GetData(typeof(DataTable)) as DataTable; //获取要移动的数据，从拖拽保存的地方：（gridControl1.DoDragDrop(dt, DragDropEffects.Move); ）
periods
if (dt != null && dt.Rows.Count > 0) //拖拽的数据为空
{
int a;
DataRow xs = dtSource.Rows[endRow]; //获取拖拽的目标行，准备进行移植
if (!rows.Contains(endRow)) //如果多选的话，确保不能拖拽到这几个里
{
gridView1.ClearSelection(); //从GirdView中删除所拖拽的数据
int moveValue = 0;
foreach (int i in rows)
{
dtSource.Rows.Remove(dtSource.Rows[i - moveValue]); //从GirdView的数据源中删除所拖拽的数据
moveValue++;
}
if (startRow > endRow)
a = dtSource.Rows.IndexOf(xs); //若果往上托，则加在鼠标到达行的上面
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a = dtSource.Rows.IndexOf(xs) + 1; //如果往下拖，则加在鼠标到达行的下面
int j = 0;
DataRow drTemp;
foreach (DataRow dr in dt.Rows)
{
drTemp = dtSource.NewRow();
foreach (DataColumn dc in dr.Table.Columns)
{
drTemp[dc.ColumnName] = dr[dc.ColumnName];越狱第四季16
}
dtSource.Rows.InrtAt(drTemp, a + j); //将拖拽的数据再次添加进来
gridView1.SelectRow(a + j);
j++;
fruit }
gridView1.FocudRowHandle = a;
}
gridControl1.DataSource = dtSource; //重新绑定
gridView1.RefreshData();
}
}
