动力启航的DTCMS代码遇到的问题:
前台post请求:
$.ajax({
type: "POST",
url: sendUrl,
dataType: "json",
timeout: , success: function (data) { if (data != null) {
$("#ul").html("");
for (var i = ; i < data.json_data.length; i++) {
var item = data.json_data[i];
var tobody = ""; $(ul).append(tobody);
} };
},
error: function (XMLHttpRequest, textStatus, errorThrown) {
alert(textStatus);
}
});
后台转换为JSON格式:
/// <summary>
/// DataTable to json
/// </summary>
/// <param name="jsonName">返回json的名称</param>
/// <param name="dt">转换成json的表</param>
/// <returns></returns>
public static string DataTableToJson(DataTable dt, string pagelist)
{
StringBuilder JsonString = new StringBuilder(); if (dt != null && dt.Rows.Count > 0)
{
JsonString.Append("{ ");
JsonString.Append("\"json_data\":[ ");
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 && j!=11)
{
JsonString.Append("\"" + dt.Columns[j].ColumnName.ToString().Replace("\"", "\\\"") + "\":" + "\"" + dt.Rows[i][j].ToString().Replace("\"", "\\\"") + "\",");
}
else if (j == dt.Columns.Count - 1)
{
JsonString.Append("\"" + dt.Columns[j].ColumnName.ToString().Replace("\"", "\\\"") + "\":" + "\"" + dt.Rows[i][j].ToString().Replace("\"", "\\\"") + "\"");
}
}
if (i == dt.Rows.Count - 1)
{
JsonString.Append("} ");
}
else
{
JsonString.Append("}, ");
} }
JsonString.Append("], ");
JsonString.Append("\"pagelist\":[{ \"pagelist\":");
JsonString.Append("\"" + pagelist.Replace("\"", "\'") + "\"");
JsonString.Append("}");
JsonString.Append("]");
JsonString.Append("}");
return JsonString.ToString();
}
else
{
return null;
}
}
转换为json格式时的调用:
string json;
json = DataTableToJson(dt,pagelist);
其中ds 为datatable类型的。