字符串截取数据库里某个字段并重新保存到那个字段代码,CSharp代码库,德仔网

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【CSharp】字符串截取数据库里某个字段并重新保存到那个字段

作者:东 / 发布于2015/1/7/ 620


	using System;
	using System.Collections;
	using System.Configuration;
	using System.Data;
	using System.Linq;
	using System.Web;
	using System.Web.Security;
	using System.Web.UI;
	using System.Web.UI.HtmlControls;
	using System.Web.UI.WebControls;
	using System.Web.UI.WebControls.WebParts;
	using System.Xml.Linq;
	using System.Data.SqlClient;
	using SchoolCrm.DBUtility;

	namespace SchoolCrm.Web
	{
	 public partial class WebForm1 : System.Web.UI.Page
	 {
	 protected void Page_Load(object sender, EventArgs e)
	 {

	
	 }

	 protected void Button1_Click(object sender, EventArgs e)
	 {
	 //string str =@"E:\文档\查询系统\源码\SchoolCrm\Admin\AnLi_Schoolhttp://www.cnblogs.com/../AnLiFile\20121224634919572560504783_安一娜华大I-20.pdf";

	 int count = 1;
	 DataSet ds = DbHelperSQL.Query(" SELECT f.* FROM AnLi_ApplySchoolFiles f ");
	 foreach (DataRow item in ds.Tables[0].Rows)
	 {
	 string str = item["FilesName"].ToString();
	 string str2 = str.Substring(str.LastIndexOf("\\") + 1);
	 SqlParameter[] parameters = {
	 new SqlParameter("@FilesName1", SqlDbType.NVarChar),
	 new SqlParameter("@FilesId", SqlDbType.NVarChar)};
	 parameters[0].Value = str2;
	 parameters[1].Value = item["FilesId"].ToString();
	 string sqlstr = " update AnLi_ApplySchoolFiles set FilesName=@FilesName1 where FilesId=@FilesId ";
	 int rows = DbHelperSQL.ExecuteSql(sqlstr, parameters);
	 if (rows > 0)
	 {
	 count++;
	 }
	 }
	 Response.Write(" 成功" + count);

	 }

	
	 }
	}

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　字符串截取　

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