将GridView数据导出到Excel的问题
问题描述:
我正在尝试将gridview数据导出到excel,但是当我打开该excel工作表时,它什么也没显示.我正在使用以下代码
I am trying to export gridview data to excel but when i open that excel sheet,it shows nothing. I am using the following code
protected void btnExport_Click(object sender, EventArgs e)
{
Response.ClearContent();
Response.Buffer = true;
Response.AddHeader("content-disposition", string.Format("attachment; filename={0}", "Customers.xls"));
Response.ContentType = "application/ms-excel";
System.IO.StringWriter sw = new System.IO.StringWriter();
HtmlTextWriter htw = new HtmlTextWriter(sw);
gvDetails.AllowPaging = false;
gvDetails.DataBind();
//Change the Header Row back to white color
gvDetails.HeaderRow.Style.Add("background-color", "#FFFFFF");
//Applying stlye to gridview header cells
for (int i = 0; i < gvDetails.HeaderRow.Cells.Count; i++)
{
gvDetails.HeaderRow.Cells[i].Style.Add("background-color", "#507CD1");
}
int j = 1;
//This loop is used to apply stlye to cells based on particular row
foreach (GridViewRow gvrow in gvDetails.Rows)
{
if (j <= gvDetails.Rows.Count)
{
if (j % 2 != 0)
{
for (int k = 0; k < gvrow.Cells.Count; k++)
{
gvrow.Cells[k].Style.Add("background-color", "#EFF3FB");
}
}
}
j++;
}
gvDetails.RenderControl(htw);
Response.Write(sw.ToString());
Response.End();
}
}
我还应用了服务器形式方法中的verify呈现方法,并将EnableEventValidation设置为false,但是在excel工作表中我没有任何数据.
请帮忙. gridview中的所有列都是模板字段.
I have also applied the verify rendering in server form method and have set the EnableEventValidation to false, but it in the excel sheet i did not get any data.
Please help. All the columns in gridview are Template Fields.
答
尝试以下代码对我有用…… br/>
Try Following Code It IS Working For Me...............
public static void ExportToExcel(GridView gv, string filename)
{
HttpContext.Current.Response.Clear();
HttpContext.Current.Response.AddHeader("content-disposition", string.Format("attachment; filename={0}", filename));
HttpContext.Current.Response.ContentType = "application/ms-excel";
using (StringWriter sw = new StringWriter())
{
using (HtmlTextWriter htw = new HtmlTextWriter(sw))
{
// Create a table to contain the grid
Table table = new Table();
// include the gridline settings
table.GridLines = gv.GridLines;
// add the header row to the table
if (gv.HeaderRow != null)
{
PrepareControlForExport(gv.HeaderRow);
table.Rows.Add(gv.HeaderRow);
}
//Make Header Coloruful
for (int j = 0; j < gv.Columns.Count; j++)
{
//Apply style to Individual Cells
gv.HeaderRow.Cells[j].Style.Add("background-color", "yellow");
}
// add each of the data rows to the table
foreach (GridViewRow row in gv.Rows)
{
PrepareControlForExport(row);
table.Rows.Add(row);
}
// add the footer row to the table
if (gv.FooterRow != null)
{
PrepareControlForExport(gv.FooterRow);
table.Rows.Add(gv.FooterRow);
}
// render the table into the htmlwriter
table.RenderControl(htw);
// render the htmlwriter into the response
HttpContext.Current.Response.Write(sw.ToString());
HttpContext.Current.Response.End();
}
}
}
要从Gridview导出数据........
调用上方函数..as
To Export Data From Gridview........
Call Above Function..as
ExportToExcel(grd_data, "abc.xls")