从数据库导出数据到word、excel、.txt

//向把dataset中的表插入到word的文件中

for(int totalTable = 0;totalTable<ds.Tables.Count;totalTable )
{
myWord.Application.Selection.TypeText(ds.Tables[totalTable].TableName "表的数据如下");
myWord.Application.Selection.TypeParagraph();
myWord.Application.Selection.TypeParagraph();
Word.Range para = myWord.Application.Selection.Range;
myDoc.Tables.Add(para,ds.Tables[totalTable].Rows.Count 1,ds.Tables[totalTable].Columns.Count,ref tableBehavior,ref autoFitBehavior);
for(int column = 0; column<ds.Tables[totalTable].Columns.Count;column )
{
myDoc.Tables.Item(totalTable 1).Cell(1,column 1).Range.InsertBefore(ds.Tables[0].Columns[column].ColumnName.Trim());
}
for(int row = 0;row<ds.Tables[totalTable].Rows.Count;row )
{
for(int column = 0;column<ds.Tables[totalTable].Columns.Count;column )
{
myDoc.Tables.Item(totalTable 1).Cell(row 2,column 1).Range.InsertBefore(ds.Tables[totalTable].Rows[row][column].ToString().Trim());
}
}
myWord.Application.Selection.EndKey(ref unit,ref extend);
myWord.Application.Selection.TypeParagraph();
myWord.Application.Selection.TypeParagraph();
myWord.Application.Selection.InsertBreak(ref breakType);
}
myWord.Application.Selection.TypeBackspace();
myWord.Application.Selection.Delete(ref character,ref count);
myWord.Application.Selection.HomeKey(ref unit,ref extend);

//保存word文件到指定的目录下
try
{
myDoc.SaveAs(ref filename,ref Nothing,ref Nothing,ref Nothing,ref Nothing,ref Nothing,ref Nothing,ref Nothing,ref Nothing,ref Nothing,ref Nothing);
myWord.Visible = true;
}
catch
{
System.Windows.Forms.MessageBox.Show("系统找不到指定目录下的文件： " DATAWORDPATH tempFileName WORDPOSTFIX);
return;
}
//让生成的excel文件可见
myWord.Visible = true;
}
catch(Exception ex)
{
System.Windows.Forms.MessageBox.Show("向word文件中写入数据出错： " ex.Message);
}
}
else
{
System.Windows.Forms.MessageBox.Show("No Data");
}
}
/// <summary>
/// 把图片文件导入到.doc文件
/// </summary>
/// <param name="bp"></param>
public void ExportToWord(Bitmap bp)
{
string tempFileName = null;
string bmpPath = null;
object filename = null;
object Nothing = null;
tempFileName = GetTempFileName();

//生成.bmp文件完整路径名
bmpPath = IMAGEPATH tempFileName IMAGEPOSTFIX;

//生成.doc文件完整路径名
filename = IMAGEWORDPATH tempFileName WORDPOSTFIX;
Nothing = System.Reflection.Missing.Value;

//创建一个word文件，文件名用系统时间生成精确到毫秒
Word.Application myWord= new Word.ApplicationClass();
Word._Document myDoc = new Word.DocumentClass();
myDoc = myWord.Documents.Add(ref Nothing,ref Nothing,ref Nothing,ref Nothing);

try
{
//把bitmap对象保存到系统所生成文件完整路径中
bp.Save(bmpPath);
}
catch
{
System.Windows.Forms.MessageBox.Show("系统找不到指定目录下的文件： " bmpPath);
return;
}

try
{
//往word文件中插入图片
myDoc.InlineShapes.AddPicture(bmpPath,ref Nothing,ref Nothing,ref Nothing);
}
catch
{
System.Windows.Forms.MessageBox.Show("系统找不到指定目录下的文件： " bmpPath);
return;
}

try
{
//保存word文件到指定的目录下
myDoc.SaveAs(ref filename,ref Nothing,ref Nothing,ref Nothing,ref Nothing,ref Nothing,ref Nothing,ref Nothing,ref Nothing,ref Nothing,ref Nothing);
}
catch
{
System.Windows.Forms.MessageBox.Show("系统找不到指定目录下的文件： " IMAGEWORDPATH tempFileName WORDPOSTFIX);
return;
}

//让生成的word文件可见
myWord.Visible = true;
}

/// <summary>
/// 把数据文件导入到.txt文件
/// </summary>
/// <param name="ds"></param>
public void ExportToTxt(DataSet ds)
{

if(ds.Tables.Count!=0)
{
string tempFileName = null;
tempFileName = GetTempFileName();

//创建一个.txt文件，文件名用系统时间生成精确到毫秒
FileInfo file = new FileInfo(TXTPATH tempFileName TXTPOSTFIX);
StreamWriter textFile = null;
try
{
textFile = file.CreateText();
}
catch
{
System.Windows.Forms.MessageBox.Show("系统找不到指定目录下的文件： " TXTPATH tempFileName TXTPOSTFIX);
return;
}

//把Dataset中的数据写入.txt文件中

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