DataGridView 导出到Excel

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#region 导出四个表格到Excel
/// <summary>
/// 导出四个表格到Excel
/// </summary>
/// <param name="dgvPaoDian"></param>
/// <param name="strPaoDian"></param>
/// <param name="dgvGJS"></param>
/// <param name="strGJS"></param>
/// <param name="dgvSHZDS"></param>
/// <param name="strSHZDS"></param>
/// <param name="dgvQYZDS"></param>
/// <param name="strQYZDS"></param>
/// <param name="FilePathName"></param>
/// <returns></returns>
public static bool MultiGvwToExcel(DataGridViewX dgvPaoDian, string strPaoDian, DataGridViewX dgvGJS, string strGJS, DataGridViewX dgvSHZDS, string strSHZDS, DataGridViewX dgvQYZDS, string strQYZDS, ref string FilePathName)
{
bool MyReturnValye = false;
if (dgvPaoDian.DataSource == null && dgvGJS.DataSource == null && dgvSHZDS.DataSource == null && dgvQYZDS.DataSource == null)
{
MyReturnValye = false;
//没有绑定任何数据源
}
else
{
string path;
SaveFileDialog savefile = new SaveFileDialog();
savefile.Filter = "Execl files(*.xls)|*.xls";
if (savefile.ShowDialog() == DialogResult.OK && savefile.FileName != "")
{
//获取保存路径
path = savefile.FileName;
Workbook wb = new Workbook();
wb.Worksheets.Add();
wb.Worksheets.Add();
wb.Worksheets.Add();
Worksheet ws = wb.Worksheets[0];
ws.Name = strPaoDian;
Worksheet ws1 = wb.Worksheets[1];
ws1.Name = strGJS;
Worksheet ws2 = wb.Worksheets[2];
ws2.Name = strSHZDS;
Worksheet ws3 = wb.Worksheets[3];
ws3.Name = strQYZDS;
Cells cell;
int i, j;

//设置风格

#region 第一个sheet
if (dgvPaoDian.DataSource != null)
{
if (dgvPaoDian.RowCount > 0)
{
cell = ws.Cells;
Style style1 = wb.Styles[wb.Styles.Add()];
style1.Font.Name = "宋体";
style1.Font.IsBold = false;//设置粗体
style1.Font.Size = 12;//设置字体大小
style1.HorizontalAlignment = TextAlignmentType.Center;

//设置标题
for (i = 0; i < dgvPaoDian.ColumnCount; i++)
{
cell[0, i].PutValue(dgvPaoDian.Columns[i].HeaderText.ToString());
cell[0, i].SetStyle(style1);
}
//设置内容
for (i = 0; i < dgvPaoDian.RowCount; i++)
{
for (j = 0; j < dgvPaoDian.ColumnCount; j++)
{
cell[i + 1, j].PutValue(dgvPaoDian.Rows[i].Cells[j].Value.ToString());
cell[i + 1, j].SetStyle(style1);
}
}

//设置列宽
for (i = 0; i < dgvPaoDian.ColumnCount; i++)
{
cell.SetColumnWidth(i, 14);
}
}
cell = null;
}
#endregion

#region 第二个sheet
if (dgvGJS.DataSource != null)
{
if (dgvGJS.RowCount > 0)
{
cell = ws1.Cells;
Style style1 = wb.Styles[wb.Styles.Add()];
style1.Font.Name = "宋体";
style1.Font.IsBold = false;//设置粗体
style1.Font.Size = 12;//设置字体大小
style1.HorizontalAlignment = TextAlignmentType.Center;

//设置标题
for (i = 0; i < dgvGJS.ColumnCount; i++)
{
cell[0, i].PutValue(dgvGJS.Columns[i].HeaderText.ToString());
cell[0, i].SetStyle(style1);
}
//设置内容
for (i = 0; i < dgvGJS.RowCount; i++)
{
for (j = 0; j < dgvGJS.ColumnCount; j++)
{
cell[i + 1, j].PutValue(dgvGJS.Rows[i].Cells[j].Value.ToString());
cell[i + 1, j].SetStyle(style1);
}
}
//设置列宽
for (i = 0; i < dgvGJS.ColumnCount; i++)
{
cell.SetColumnWidth(i, 14);
}
}
cell = null;
}
#endregion

#region 第三个sheet
if (dgvSHZDS.DataSource != null)
{
if (dgvSHZDS.RowCount > 0)
{
cell = ws2.Cells;
Style style1 = wb.Styles[wb.Styles.Add()];
style1.Font.Name = "宋体";
style1.Font.IsBold = false;//设置粗体
style1.Font.Size = 12;//设置字体大小
style1.HorizontalAlignment = TextAlignmentType.Center;

//设置标题
for (i = 0; i < dgvSHZDS.ColumnCount; i++)
{
cell[0, i].PutValue(dgvSHZDS.Columns[i].HeaderText.ToString());
cell[0, i].SetStyle(style1);
}
//设置内容
for (i = 0; i < dgvSHZDS.RowCount; i++)
{
for (j = 0; j < dgvSHZDS.ColumnCount; j++)
{
cell[i + 1, j].PutValue(dgvSHZDS.Rows[i].Cells[j].Value.ToString());
cell[i + 1, j].SetStyle(style1);
}
}
//设置列宽
for (i = 0; i < dgvSHZDS.ColumnCount; i++)
{
cell.SetColumnWidth(i, 14);
}
}
cell = null;
}
#endregion

#region 第四个sheet
if (dgvQYZDS.DataSource != null)
{
if (dgvQYZDS.RowCount > 0)
{
cell = ws3.Cells;
Style style1 = wb.Styles[wb.Styles.Add()];
style1.Font.Name = "宋体";
style1.Font.IsBold = false;//设置粗体
style1.Font.Size = 12;//设置字体大小
style1.HorizontalAlignment = TextAlignmentType.Center;

//设置标题
for (i = 0; i < dgvQYZDS.ColumnCount; i++)
{
cell[0, i].PutValue(dgvQYZDS.Columns[i].HeaderText.ToString());
cell[0, i].SetStyle(style1);
}
//设置内容
for (i = 0; i < dgvQYZDS.RowCount; i++)
{
for (j = 0; j < dgvQYZDS.ColumnCount; j++)
{
cell[i + 1, j].PutValue(dgvQYZDS.Rows[i].Cells[j].Value.ToString());
cell[i + 1, j].SetStyle(style1);
}
}
//设置列宽
for (i = 0; i < dgvQYZDS.ColumnCount; i++)
{
cell.SetColumnWidth(i, 14);
}
}
cell = null;
}
#endregion

wb.Save(path);
FilePathName = path;
MyReturnValye = true;
}
else
{
MyReturnValye = false;
}
}
return MyReturnValye;
}
#endregion

DataGridView 导出到Excel

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原文地址：http://www.cnblogs.com/yuxuetaoxp/p/4649219.html