C# (CSharp) DbCon.ExecuteScalar示例

 public TResult Sum <TResult>(Expression <Func <T, TResult> > sumExpression)
 {
     SqlProvider.FormatSum(sumExpression);
     SetSql();
     return(DbCon.ExecuteScalar <TResult>(SqlProvider.SqlString, SqlProvider.Params));
 }

示例#2

显示文件

文件： Aggregation.cs 项目： zl33842901/SqlEx

 public bool Exists()
 {
     SqlProvider.FormatExists();
     SetSql();
     return(DbCon.ExecuteScalar <int>(SqlProvider.SqlString, SqlProvider.Params) == 1);
 }

示例#3

显示文件

文件： Aggregation.cs 项目： zl33842901/SqlEx

 public int Count()
 {
     SqlProvider.FormatCount();
     SetSql();
     return(DbCon.ExecuteScalar <int>(SqlProvider.SqlString, SqlProvider.Params));
 }