如何能夠替換數(shù)據(jù)庫中所有字段的值--利用CodeSmith生成sql ，
代碼帖出來給大家看看！
<%--
Name:
Author:
Description:
--%>
<%@ CodeTemplate Language="C#" TargetLanguage="Text" Src="" Inherits="" Debug="ture" Description="Template description here." %>
<%@ Property Name="DataBase" Type="SchemaExplorer.DatabaseSchema" %>
<%@ Property Name="pre_Context" Type="System.String" %>
<%@ Property Name="edit_Context" Type="System.String" %>
<%@ Assembly Name="SchemaExplorer" %>
<%@ Import Namespace="SchemaExplorer" %>
<%@ Assembly Name="System.Data" %>
<%@ Import Namespace="System.Data" %>
<%= find()%>
<script runat="template">
string find()
{
string result ="";
foreach(TableSchema table in this.DataBase.Tables)
{
if(table.HasPrimaryKey)
{
string[] Keys = new string[table.PrimaryKey.MemberColumns.Count];
for(int keycount = 0;keycount < table.PrimaryKey.MemberColumns.Count;keycount ++)
{
Keys[keycount] = table.PrimaryKey.MemberColumns[keycount].Name;
}
DataTable datatable = table.GetTableData();
foreach(ColumnSchema column in table.Columns)
{
foreach(System.Data.DataRow row in datatable.Rows)
{
string str = row[column.Name].ToString();
if(str.IndexOf(pre_Context) >= 0)
{
result += "update " + table.Name + "\r\n" + " set " +
column.Name + "=" + "'" +
str.ToString().Replace(pre_Context,edit_Context) + "'\r\n" + " where " +
"1=1 ";
foreach(string key in Keys)
{
result += "and " + key + "= '" + row[key].ToString() + "'";
}
result += "\r\n" + "GO" + "\r\n";
}
}
}
}
}
return result;
}
</script>
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