在SQL参数化更新命令语法错误 - C# [英] Syntax Error on a Sql Parametrized update command - c#
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问题描述
这是在C#中我的第一个SQL参数化更新命令和我有一个语法错误,当我exectued我的更新。
It's my first SQL Parametrized update command in c# and i have a syntax error when i exectued my update.
这是我的code:
string maRequete = "UPDATE " + strNomTable + " set "
+ "evetype = @evetype ,"
+ "evedes = @evedes ,"
+ "evecli = @evecli ,"
+ "eveusermo = @eveusermo ,"
+ "eveinterv = @eveinterv where eveNum = " + '"' + strEvtNumeroString.ToString() + '"';
OleDbCommand DbCommand = new OleDbCommand(maRequete);
DbCommand.Parameters.Add("@evetype", OleDbType.VarChar);
DbCommand.Parameters.Add("@evedes", OleDbType.VarChar);
DbCommand.Parameters.Add("@evecli", OleDbType.VarChar);
DbCommand.Parameters.Add("@eveusermo", OleDbType.VarChar);
DbCommand.Parameters.Add("@eveinterv", OleDbType.VarChar);
DbCommand.Parameters["@evetype"].Value = m_strEvtType.ToString().Trim();
DbCommand.Parameters["@evedes"].Value = m_strDesignation.ToString().Trim();
DbCommand.Parameters["@evecli"].Value = m_strCodeClient.ToString().Trim();
DbCommand.Parameters["@eveusermo"].Value = m_strUserModification;
DbCommand.Parameters["@eveinterv"].Value = m_strCodeIntervenant.ToString().Trim();
try
{
string strStringConnect = @"Provider=vfpoledb.1;Data Source=" + m_strDirectoryDBF + "\\" + strDbfFile + ".dbf;Collating Sequence=general";
OleDbConnection DbConnection = new OleDbConnection(strStringConnect);
DbCommand.CommandType = System.Data.CommandType.Text;
DbConnection.Open();
DbCommand.Connection = DbConnection;
DbCommand.ExecuteNonQuery();
return "O";
}
catch (Exception Ex)
{
return Ex.Message;
}
任何人有一个想法,哪里是我的错?另外,我写在一个旧的DBF文件(Visual FoxPro中),我想我没有登录权限为了调试查询:(
Anyone have an idea where is my mistake ? In addition, i wrote in a old DBF file (Visual Foxpro) and i think i don't have access to log in order to debug the query :(.
多谢:)
最好的问候,
Nixeus
推荐答案
更改命令文本
string maRequete = "UPDATE " + strNomTable + " set "
+ "evetype = @evetype ,"
+ "evedes = @evedes ,"
+ "evecli = @evecli ,"
+ "eveusermo = @eveusermo ,"
+ "eveinterv = @eveinterv where eveNum = '" + strEvtNumeroString.ToString() + "'";
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