将Datatable转换为Json数据

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Datatable dt=new Datatable();

StringBuilder JsonString = new StringBuilder();
//Exception Handling
if (dt != null && dt.Rows.Count > 0)
{
JsonString.Append("{ ");
JsonString.Append("\"T_blog\":[ ");
for (int i = 0; i < dt.Rows.Count; i++)
{
JsonString.Append("{ ");
for (int j = 0; j < dt.Columns.Count; j++)
{
if (j < dt.Columns.Count - 1)
{
JsonString.Append("\"" + dt.Columns[j].ColumnName.ToString() + "\":" + "\"" + dt.Rows[i][j].ToString() + "\",");
}
else if (j == dt.Columns.Count - 1)
{
JsonString.Append("\"" + dt.Columns[j].ColumnName.ToString() + "\":" + "\"" + dt.Rows[i][j].ToString() + "\"");
}
}
/**/
/**/
/**/
/*end Of String*/
if (i == dt.Rows.Count - 1)
{
JsonString.Append("} ");
}
else
{
JsonString.Append("}, ");
}
}
JsonString.Append("]}");
return JsonString.ToString();
}
else
{
return null;
}

将Datatable转换为Json数据

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原文地址：http://www.cnblogs.com/zxk3113/p/4763757.html