silverlight 导出DataGrid 数据到Excel
并修改
代码
#region
///
<summary>
///
CSV格式化
///
</summary>
///
<param name="data">
数据
</param>
///
<returns>
格式化数据
</returns>
private
static
string
FormatCsvField(
string
data)
{
return
String.Format(
"
\
"
{
0
}\
""
, data.Replace(
"
\
""
,
"
\
"
\
"
\
""
).Replace(
"
\n
"
,
""
).Replace(
"
\r
"
,
""
));
}
///
<summary>
///
导出DataGrid数据到Excel
///
</summary>
///
<param name="withHeaders">
是否需要表头
</param>
///
<param name="grid">
DataGrid
</param>
///
<returns>
Excel内容字符串
</returns>
public
static
string
ExportDataGrid(
bool
withHeaders, DataGrid grid)
{
System.Reflection.PropertyInfo propInfo;
System.Windows.Data.Binding binding;
var strBuilder
=
new
System.Text.StringBuilder();
var source
=
(grid.ItemsSource
as
System.Collections.IList);
if
(source
==
null
)
return
""
;
var headers
=
new
List
<
string
>
();
grid.Columns.ToList().ForEach(col
=>
{
if
(col
is
DataGridBoundColumn)
{ headers.Add(FormatCsvField(col.Header.ToString())); }
});
strBuilder.Append(String.Join(
"
,
"
, headers.ToArray())).Append(
"
\r\n
"
);
foreach
(Object data
in
source)
{
var csvRow
=
new
List
<
string
>
();
foreach
(DataGridColumn col
in
grid.Columns)
{
if
(col
is
DataGridBoundColumn)
{
binding
=
(col
as
DataGridBoundColumn).Binding;
string
colPath
=
binding.Path.Path;
propInfo
=
data.GetType().GetProperty(colPath);
if
(propInfo
!=
null
)
{
csvRow.Add(FormatCsvField(propInfo.GetValue(data,
null
).ToString()));
}
}
}
strBuilder.Append(String.Join(
"
,
"
, csvRow.ToArray())).Append(
"
\r\n
"
);
}
return
strBuilder.ToString();
}
///
<summary>
///
导出DataGrid数据到Excel
///
</summary>
///
<param name="withHeaders">
是否需要表头
</param>
///
<param name="grid">
DataGrid
</param>
///
<param name="dataBind"></param>
///
<returns>
Excel内容字符串
</returns>
public
static
string
ExportDataGrid(
bool
withHeaders, DataGrid grid,
bool
dataBind)
{
var strBuilder
=
new
System.Text.StringBuilder();
var source
=
(grid.ItemsSource
as
System.Collections.IList);
if
(source
==
null
)
return
""
;
var headers
=
new
List
<
string
>
();
grid.Columns.ToList().ForEach(col
=>
{
if
(col
is
DataGridTemplateColumn)
{
headers.Add(col.Header
!=
null
?
FormatCsvField(col.Header.ToString()) :
string
.Empty);
}
});
strBuilder.Append(String.Join(
"
,
"
, headers.ToArray())).Append(
"
\r\n
"
);
foreach
(Object data
in
source)
{
var csvRow
=
new
List
<
string
>
();
foreach
(DataGridColumn col
in
grid.Columns)
{
if
(col
is
DataGridTemplateColumn)
{
FrameworkElement cellContent
=
col.GetCellContent(data);
TextBlock block;
if
(cellContent.GetType()
==
typeof
(Grid))
{
block
=
cellContent.FindName(
"
TempTextblock
"
)
as
TextBlock;
}
else
{
block
=
cellContent
as
TextBlock;
}
if
(block
!=
null
)
{
csvRow.Add(FormatCsvField(block.Text));
}
}
}
strBuilder.Append(String.Join(
"
,
"
, csvRow.ToArray())).Append(
"
\r\n
"
);
//
strBuilder.Append(String.Join(",", csvRow.ToArray())).Append("\t");
}
return
strBuilder.ToString();
}
///
<summary>
///
导出DataGrid数据到Excel为CVS文件
///
使用utf8编码 中文是乱码 改用Unicode编码
///
///
</summary>
///
<param name="withHeaders">
是否带列头
</param>
///
<param name="grid">
DataGrid
</param>
public
static
void
ExportDataGridSaveAs(
bool
withHeaders, DataGrid grid)
{
string
data
=
ExportDataGrid(
true
, grid);
var sfd
=
new
SaveFileDialog
{
DefaultExt
=
"
csv
"
,
Filter
=
"
CSV Files (*.csv)|*.csv|All files (*.*)|*.*
"
,
FilterIndex
=
1
};
if
(sfd.ShowDialog()
==
true
)
{
using
(Stream stream
=
sfd.OpenFile())
{
using
(var writer
=
new
StreamWriter(stream, System.Text.Encoding.Unicode))
{
data
=
data.Replace(
"
,
"
,
"
\t
"
);
writer.Write(data);
writer.Close();
}
stream.Close();
}
}
}
#endregion
导出DataGrid数据到Excel