SqlDb doc

ACUtils.SqlDb/README.md

@@ -0,0 +1,87 @@
+# ACUtils.SqlDb
+
+## Example usage
+
+
+### QueryDataSet
+
+```csharp
+using System.Data;
+using ACUtils;
+
+ACUtils.SqlDb db = new ACUtils.SqlDb("Data Source=(local);Initial Catalog=master;Integrated Security=SSPI;");
+
+System.Data.DataSet ds = db.QueryDataSet(
+    "SELECT myvalue FROM table WHERE col = @col AND id > @id", 
+    "@col".WithValue("my val"),
+    "@id".WithValue(123)
+);
+Console.WriteLine(ds.Tables[0].Rows[0].Field<string>("myvalue"));
+```
+
+
+### QueryDataTable
+
+```csharp
+using System.Data;
+using ACUtils;
+
+ACUtils.SqlDb db = new ACUtils.SqlDb("Data Source=(local);Initial Catalog=master;Integrated Security=SSPI;");
+
+System.Data.DataTable dt = db.QueryDataTable("SELECT myvalue FROM table WHERE col = @col", "@col".WithValue("my val"));
+Console.WriteLine(dt.Rows[0].Field<string>("myvalue"));
+
+```
+
+
+### QuerySingleValue
+
+```csharp
+using ACUtils;
+
+ACUtils.SqlDb db = new ACUtils.SqlDb("Data Source=(local);Initial Catalog=master;Integrated Security=SSPI;");
+
+string myvalue = db.QuerySingleValue<string>("SELECT myvalue FROM table WHERE id = @id", "@id".WithValue("123"));
+Console.WriteLine(myvalue);
+```
+
+
+### QueryMany<T>
+
+```csharp
+using ACUtils;
+
+class MyModel : ACUtils.DBModel<MyModel>
+{
+    public int id { get; set; }
+    public string myvalue { get; set; }
+}
+
+ACUtils.SqlDb db = new ACUtils.SqlDb("Data Source=(local);Initial Catalog=master;Integrated Security=SSPI;");
+System.Collections.Generic.List<MyModel> models = db.QueryMany<MyModel>("select id, myvalue FROM table WHERE id > @id", "@id".WithValue(1));
+foreach(MyModel model in models) 
+{
+    // ...
+}
+```
+
+
+### QueryManyAsync<T>
+
+```csharp
+using ACUtils;
+
+class MyModel : ACUtils.DBModel<MyModel>
+{
+    public int id { get; set; }
+    public string myvalue { get; set; }
+}
+
+ACUtils.SqlDb db = new ACUtils.SqlDb("Data Source=(local);Initial Catalog=master;Integrated Security=SSPI;");
+System.Collections.Generic.IAsyncEnumerable<MyModel> models = db.QueryManyAsync<MyModel>("select id, myvalue FROM table WHERE id > @id", "@id".WithValue(1));
+await foreach (MyModel model in models)
+{
+    // ...
+}
+```
+

ACUtils.SqlDb/SqlDb.cs

@@ -54,7 +54,7 @@ public SqlDb(string connectionString)
 
         #region QueryDataTable
         /// <summary>
-        /// Eseque la query e restituisce il DataTable del risultato
+        /// Esegue la query e restituisce il DataTable del risultato
         /// </summary>
         /// <example>
         /// db.QueryDataTable("SELECT * FROM A WHERE B = @B", "@B".WithValue("1"));
@@ -537,10 +537,10 @@ public static bool Execute(SqlConnection connection, string queryString)
 
         #endregion
 
-        public static T GetColVal<T>(DataRow dataRow, string columName)
+        public static T GetColVal<T>(DataRow dataRow, string columnName)
         {
-            // dataRow.Field<T>(columName)
-            object val = dataRow[columName];
+            // dataRow.Field<T>(columnName)
+            object val = dataRow[columnName];
             switch (val.GetType().Name)
             {
                 case "DBNull":