/// <summary>
/// GridView合併行，
/// </summary>
/// <param name="gv">GridView</param>
/// <param name="startCol">開始列</param>
/// <param name="endCol">結束列</param>
public static void MergeRow(GridView gv, int startCol, int endCol)
{
RowArg init = new RowArg()
{
StartRowIndex = 0,
EndRowIndex = gv.Rows.Count - 2
};
for (int i = startCol; i < endCol + 1; i++)
{
if (i > 0)
{
List <RowArg> list = new List <RowArg>();
//從第二列開始就要遍歷前一列
TraversesPrevCol(gv, i - 1, list);
foreach (var item in list)
{
MergeRow(gv, i, item.StartRowIndex, item.EndRowIndex);
}
}
else //合併開始列的行
{
MergeRow(gv, i, init.StartRowIndex, init.EndRowIndex);
}
}
}
/// <summary>
/// Traverse previous Column
/// </summary>
/// <param name="gv">GridView</param>
/// <param name="prevCol">The previous column of current column</param>
/// <param name="list"></param>
private static void TraversesPrevCol(GridView gv, int prevCol, List <RowArg> list)
{
if (list == null)
{
list = new List <RowArg>();
}
RowArg ra = null;
for (int i = 0; i < gv.Rows.Count; i++)
{
if (!gv.Rows[i].Cells[prevCol].Visible)
{
continue;
}
ra = new RowArg();
ra.StartRowIndex = gv.Rows[i].RowIndex;
ra.EndRowIndex = ra.StartRowIndex + gv.Rows[i].Cells[prevCol].RowSpan - 2;
list.Add(ra);
}
}
/// <summary>
/// 合并GridView单元格
/// </summary>
/// <param name="gv">要合并的GridView</param>
/// <param name="cols">制定的列</param>
public static void MergeRow(GridView gv, params int[] cols)
{
if (cols.Any(t => t < 0))
{
throw new ArgumentOutOfRangeException("参数中不能包含小于0列");
}
var init = new RowArg()
{
StartRowIndex = 0,
EndRowIndex = gv.Rows.Count - 2
};
for (int i = 0; i < cols.Length; i++)
{
if (i > 0)
{
var list = new List <RowArg>();
//从第二列开始就要遍历前一列
IteratePrevCol(gv, cols[i - 1], list);
foreach (var item in list)
{
MergeRow(gv, cols[i], item.StartRowIndex, item.EndRowIndex);
}
}
//合并开始列的行
else
{
MergeRow(gv, i, init.StartRowIndex, init.EndRowIndex);
}
}
}
/// <summary>
/// 合并GridView单元格
/// </summary>
/// <param name="gv">要合并的GridView</param>
/// <param name="cols">指定的列，要按照顺序传入</param>
public static void MergeRow(GridView gv, params int[] cols)
{
RowArg init = new RowArg()
{
StartRowIndex = 0,
EndRowIndex = gv.Rows.Count - 2
};
for (int i = 0; i < cols.Length; i++)
{
if (i > 0)
{
List <RowArg> list = new List <RowArg>();
//从第二列开始就要遍历前一列
TraversesPrevCol(gv, cols[i - 1], list);
foreach (var item in list)
{
MergeRow(gv, cols[i], item.StartRowIndex, item.EndRowIndex);
}
}
//合并开始列的行
else
{
MergeRow(gv, i, init.StartRowIndex, init.EndRowIndex);
}
}
}
/// <summary>
/// GridView合并行
/// </summary>
/// <param name="gv">GridView</param>
/// <param name="startCol">开始列（索引从0开始）</param>
/// <param name="endCol">结束列</param>
public static void MergeRow(GridView gv, int startCol, int endCol)
{
if (startCol < 0)
{
throw new ArgumentOutOfRangeException("startCol", "开始列不能小于0");
}
if (endCol < 0)
{
throw new ArgumentOutOfRangeException("endCol", "结束列不能小于0");
}
if (startCol > endCol)
{
throw new ArgumentException("开始列不能小于结束列");
}
var init = new RowArg()
{
StartRowIndex = 0,
EndRowIndex = gv.Rows.Count - 2
};
for (int i = startCol; i < endCol + 1; i++)
{
if (i > 0)
{
var list = new List <RowArg>();
//从第二列开始就要遍历前一列
IteratePrevCol(gv, i - 1, list);
foreach (var item in list)
{
MergeRow(gv, i, item.StartRowIndex, item.EndRowIndex);
}
}
//合并开始列的行
else
{
MergeRow(gv, i, init.StartRowIndex, init.EndRowIndex);
}
}
}
