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Create Data Classes

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4 Mar 2011CPOL10 min read 135.8K   2.5K   167  
An application that creates a C# class to read/write data to/from an Access, SQLite, or XML database.
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;

namespace JGClassGenerator
{
	internal partial class FormConversions : FormBaseDialog
	{
		private bool m_IsSQLite = false;

		private JTypesData m_CurrentDataType = null;

		internal FormConversions(string caption, JTypesData dataType, bool isSQLite)
		{
			InitializeComponent();
			ShowButtons = true;

			this.Text = caption;
			this.m_CurrentDataType = dataType;
			this.m_IsSQLite = isSQLite;
			ClearForm();
			
			if (isSQLite)
			{
				txtPrefix.Text = dataType.SQLiteConversionPrefix;
				txtSuffix.Text = dataType.SQLiteConversionSuffix;
				txtSQLiteUpdateSuffix.Text = dataType.SQLiteUpdateSuffix;
				gbxUpdate.Enabled = true;
			}
			else
			{
				txtPrefix.Text = dataType.ADOConversionPrefix;
				txtSuffix.Text = dataType.ADOConversionSuffix;
				gbxUpdate.Enabled = false;
			}
		}

		internal override void ButtonOK_Click(object sender, EventArgs e)
		{
			if (this.m_IsSQLite)
			{
				this.m_CurrentDataType.SQLiteConversionPrefix = txtPrefix.Text;
				this.m_CurrentDataType.SQLiteConversionSuffix = txtSuffix.Text;
				this.m_CurrentDataType.SQLiteUpdateSuffix = txtSQLiteUpdateSuffix.Text;
			}
			else
			{
				this.m_CurrentDataType.ADOConversionPrefix = txtPrefix.Text;
				this.m_CurrentDataType.ADOConversionSuffix = txtSuffix.Text;
			}

			base.ButtonOK_Click(sender, e);
		}

		private bool CheckBrackets(Label lblTemp)
		{
			string tempText = lblTemp.Text;

			int opening = JCommon.CountChars(tempText, '(');
			int closing = JCommon.CountChars(tempText, ')');

			if (opening != closing)
			{
				lblTemp.ForeColor = Color.Red;
				return false;
			}
			else
			{
				lblTemp.ForeColor = SystemColors.WindowText;
				return true;
			}
		}

		private void ClearForm()
		{
			txtPrefix.Text = "";
			txtSuffix.Text = "";
			lblSample.Text = "";
			txtSQLiteUpdateSuffix.Text = "";
			txtSQLiteUpdateSuffix.Text = "";
			lblInsertSample.Text = "";
			lblUpdateSample.Text = "";
		}

		private void PrefixSuffix_TextChanged(object sender, EventArgs e)
		{
			lblSample.Text = "ClassName.FieldName = " + txtPrefix.Text + lblField.Text + txtSuffix.Text;
			if (!CheckBrackets(lblSample))
			{
				lblReadParenthesis.Text = "Parentheses Mis-match";
				lblReadParenthesis.ForeColor = Color.Red;
			}
			else
			{
				lblReadParenthesis.Text = "";
				lblReadParenthesis.ForeColor = SystemColors.WindowText;
			}
		}

		private void txtSQLiteUpdateSuffix_TextChanged(object sender, EventArgs e)
		{
			lblInsertSample.Text = "commandInsert.Parameters.Add(new SQLiteParameter(\"@FieldName\", ClassName.FieldName" + txtSQLiteUpdateSuffix.Text;
			lblUpdateSample.Text = "commandUpdate.Parameters.Add(new SQLiteParameter(\"FieldName\", ClassName.FieldName" + txtSQLiteUpdateSuffix.Text;
			if (!CheckBrackets(lblInsertSample))
			{
				lblUDParentheses.Text = "Parentheses Mis-match";
				lblUDParentheses.ForeColor = Color.Red;
			}
			else
			{
				lblUDParentheses.Text = "";
				lblUDParentheses.ForeColor = SystemColors.WindowText;
			}
			CheckBrackets(lblUpdateSample);
		}

		


	}
}

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This article, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)


Written By
Retired
United Kingdom United Kingdom
I have been a keen hobbyist programmer since getting my first computer - a Vic 20 (you had to be able to write programs then since few programs were available and all were expensive).
Retired and now living in Pewsey, Wiltshire, where I spend (far too much of) my time writing computer programs to keep my mind active.

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